@article{Fromm1990, author = {Erich Fromm}, title = {Ludzka natura a charakter}, journal = {Colloquia Communia, Warschau (Universytet Warszawa) No. 48-53 (= No. 1-6, 1990), pp. 55-75. [= 1947a, Chapt. 3]}, year = {1990}, }