@article{Gardner, author = {Gardner, Richard A.}, title = {The Game of Checkers as a Diagnostic and Therapeutic Tool in Child Psychotherapy}, series = {Acta Paedopsychiatrica, Vol. 36 (No. 5, 1969), pp. 142-152.}, journal = {Acta Paedopsychiatrica, Vol. 36 (No. 5, 1969), pp. 142-152.}, language = {en} } @article{Gardner, author = {Gardner, Richard A.}, title = {Sexual Phantasies in Childhood. Medical Aspects of Human Sexuality, Oct. 1969.}, language = {en} }