@book{Freud, author = {Freud, Sigmund}, title = {Therapy and technique, New York (Collier Book) 1973.}, language = {en} } @article{Freud, author = {Freud, Sigmund}, title = {Aggression}, series = {G. P. and A. Stein (Eds.), The Individual and Everybody Else, Englewood Cliffs (Prentice Hall) 1973, pp. 127-130.}, journal = {G. P. and A. Stein (Eds.), The Individual and Everybody Else, Englewood Cliffs (Prentice Hall) 1973, pp. 127-130.}, language = {en} }