@book{Wright, author = {Wright, T.}, title = {The open door, Allentown 1970.}, language = {en} } @book{YankelovichBarrett, author = {Yankelovich, D. and Barrett, W.}, title = {Ego and instinct, New York (Random House) 1970.}, language = {en} } @book{Zetzel, author = {Zetzel, E.}, title = {The Capacity for Emotional Growth. London (Maresfield Library) 1970.}, language = {en} } @book{OPUS4-13762, title = {Beyond Reductionism. New Perspectives in the Life Sciences. The Alpbach Symposium 1968, New York (The Macmillan Company) 1970.}, editor = {Koestler, Arthur and Smythies, J. R.}, language = {en} } @book{OPUS4-28985, title = {Creativity. Selected Readings. Harmondsworth (Penguin) 1970.}, editor = {Vernon, P. E.}, language = {en} } @book{OPUS4-27602, title = {The Family and its Future. London (Churchill) 1970.}, editor = {Ciba Foundation,}, language = {en} }