@misc{Derbez1965, author = {Jorge Derbez}, title = {Review Freud, A.: >Regression as a Principle in Mental Development<}, booktitle = {Revista de Psicoan{\´a}lisis, Psiquiatr{\´i}a y Psicolog{\´i}a, M{\´e}xico (No. 01, 1965), pp. 142.}, type = {review}, year = {1965}, }