@book{Fromm, author = {Fromm, Erich}, title = {Ucieczka od Wolnosci, Warszawa (Czytelnik) 1993.}, number = {translation / {\"U}bersetzung}, language = {pl} } @book{Fromm, author = {Fromm, Erich}, title = {Ucieczka od Wolnosci, Warszawa (Czytelnik) 1970.}, number = {translation / {\"U}bersetzung}, language = {pl} }