@article{JacksonKlatskinWilkin1952, author = {E. B. Jackson and E. H. Klatskin and L. S. Wilkin}, title = {Early Child Development in Relation to Degree of Flexibility of Maternal Attitude}, journal = {R. S. Eissler et al. (Eds.), The Psychoanalytic Study of the Child, Vol. VII: The Mutual Influences in the Development of Ego and Id, New York (International Universities Press) 1952, pp. 393-428.}, year = {1952}, }