Perhaps you should try some spelling variations:
"\ \\ \\\ \\\\ \\\\\ materiali e study OR 15 study a diritto pubblico.\\\\\ OR \\\\\ materials sh study OR a study a diritto pubblico.\\\\\ OR \\\\\ materiali e study OR 15 study 3 diritto pubblico.\\\\\ OR \\\\\ materials 24 study ch OR study v diritto public.\\\\\ OR \\\\\ materials 24 study 3 diritto public.\\\\\ OR \\\\\ materiali a OR materials sh study 12 OR study a diritto public.\\\\\ OR \\\\\ materials 24 study _ diritto public.\\\\\ OR \\\\\ material _ study ch OR study v diritto public.\\\\\ \\\ \\*" » "\ \\ \\\ \\\\ \\\\\ materiali e study OR 15 study a diritto pubblico.\\\\\ OR \\\\\ materials sh study OR a study a diritto pubblico.\\\\\ OR \\\\\ materiali e study OR 15 study 3 diritto pubblico.\\\\\ OR \\\\\ materials 24 study ch OR study v diritto public.\\\\\ OR \\\\\ materials 24 study 3 diritto public.\\\\\ OR \\\\\ materiali a OR materials _ study 12 OR study a diritto public.\\\\\ OR \\\\\ materials 24 study _ diritto public.\\\\\ OR \\\\\ material _ study ch OR study v diritto public.\\\\\ \\\ \\*" (Expand Search), "\ \\ \\\ \\\\ \\\\\ materiali e study OR 15 study a diritto pubblico.\\\\\ OR \\\\\ materials sh study OR a study a diritto pubblico.\\\\\ OR \\\\\ materiali e study OR 15 study 3 diritto pubblico.\\\\\ OR \\\\\ materials _ study ch OR study v diritto public.\\\\\ OR \\\\\ materials _ study 3 diritto public.\\\\\ OR \\\\\ materiali a OR materials sh study 12 OR study a diritto public.\\\\\ OR \\\\\ materials _ study _ diritto public.\\\\\ OR \\\\\ material _ study ch OR study v diritto public.\\\\\ \\\ \\*" (Expand Search), "\ \\ \\\ \\\\ \\\\\ materiali e study OR 15 study a diritto pubblico.\\\\\ OR \\\\\ materials sh study OR a study a diritto pubblico.\\\\\ OR \\\\\ materiali e study OR 15 study 3 diritto pubblico.\\\\\ OR \\\\\ materials 24 study ch OR study v diritto public.\\\\\ OR \\\\\ materials 24 study 3 diritto public.\\\\\ OR \\\\\ materials _ OR materials sh study 12 OR study a diritto public.\\\\\ OR \\\\\ materials 24 study _ diritto public.\\\\\ OR \\\\\ material _ study ch OR study v diritto public.\\\\\ \\\ \\*" (Expand Search), "\ \\ \\\ \\\\ \\\\\ materiali e study OR _ study a diritto pubblico.\\\\\ OR \\\\\ materials sh study OR a study a diritto pubblico.\\\\\ OR \\\\\ materiali e study OR _ study 3 diritto pubblico.\\\\\ OR \\\\\ materials 24 study ch OR study v diritto public.\\\\\ OR \\\\\ materials 24 study 3 diritto public.\\\\\ OR \\\\\ materiali a OR materials sh study 12 OR study a diritto public.\\\\\ OR \\\\\ materials 24 study _ diritto public.\\\\\ OR \\\\\ material _ study ch OR study v diritto public.\\\\\ \\\ \\*" (Expand Search), "\ \\ \\\ \\\\ \\\\\ materiali e study OR 15 study a diritto pubblico.\\\\\ OR \\\\\ materials _ study OR a study a diritto pubblico.\\\\\ OR \\\\\ materiali e study OR 15 study 3 diritto pubblico.\\\\\ OR \\\\\ materials 24 study ch OR study v diritto public.\\\\\ OR \\\\\ materials 24 study 3 diritto public.\\\\\ OR \\\\\ materiali a OR materials sh study 12 OR study a diritto public.\\\\\ OR \\\\\ materials 24 study _ diritto public.\\\\\ OR \\\\\ material _ study ch OR study v diritto public.\\\\\ \\\ \\*" (Expand Search), "\ \\ \\\ \\\\ \\\\\ materiali e study OR 15 study a diritto pubblico.\\\\\ OR \\\\\ materials sh study OR a study a diritto pubblico.\\\\\ OR \\\\\ materiali e study OR 15 study 3 diritto pubblico.\\\\\ OR \\\\\ materials 24 study ch OR study v diritto public.\\\\\ OR \\\\\ materials _ study 3 diritto public.\\\\\ OR \\\\\ materiali a OR materials sh study 12 OR study a diritto public.\\\\\ OR \\\\\ materials _ study _ diritto public.\\\\\ OR \\\\\ material _ study ch OR study v diritto public.\\\\\ \\\ \\*" (Expand Search), "\ \\ \\\ \\\\ \\\\\ materiali _ study OR 15 study a diritto pubblico.\\\\\ OR \\\\\ materials sh study OR a study a diritto pubblico.\\\\\ OR \\\\\ materiali _ study OR 15 study 3 diritto pubblico.\\\\\ OR \\\\\ materials 24 study ch OR study v diritto public.\\\\\ OR \\\\\ materials 24 study 3 diritto public.\\\\\ OR \\\\\ materiali a OR materials sh study 12 OR study a diritto public.\\\\\ OR \\\\\ materials 24 study _ diritto public.\\\\\ OR \\\\\ material _ study ch OR study v diritto public.\\\\\ \\\ \\*" (Expand Search), "\ \\ \\\ \\\\ \\\\\ materiali e study OR 15 study a diritto pubblico.\\\\\ OR \\\\\ materials sh study OR _ study a diritto pubblico.\\\\\ OR \\\\\ materiali e study OR 15 study 3 diritto pubblico.\\\\\ OR \\\\\ materials 24 study ch OR study v diritto public.\\\\\ OR \\\\\ materials 24 study 3 diritto public.\\\\\ OR \\\\\ materiali a OR materials sh study 12 OR study a diritto public.\\\\\ OR \\\\\ materials 24 study _ diritto public.\\\\\ OR \\\\\ material _ study ch OR study v diritto public.\\\\\ \\\ \\*" (Expand Search)

You may be able to get more results by adjusting your search query.

• Removing quotes may allow a broader search: \ \\ \\\ \\\\ ((((((\\\\\ materiali ((e study) OR (15 study)) a diritto pubblico.\\\\\ ) OR (\\\\\ materials ((sh study) OR (a study)) a diritto pubblico.\\\\\ ))) OR (\\\\\ materiali ((e study) OR (15 study)) 3 diritto pubblico.\\\\\ ))) OR (((((((\\\\\ materials 24 ((study ch) OR (study v)) diritto public.\\\\\ ) OR (\\\\\ materials 24 study 3 diritto public.\\\\\ ))) OR (((\\\\\ ((materiali a) OR (materials sh)) ((study 12) OR (study a)) diritto public.\\\\\ ) OR (\\\\\ materials 24 study _ diritto public.\\\\\ ))))) OR (\\\\\ material _ ((study ch) OR (study v)) diritto public.\\\\\ ))))~\\\\ \\\ \\*.

Perform this same search in other libraries for books (WorldCat)

Perform this same search in EDS

You can also try:

• Request through Interlibrary Loan