TY  - BOOK
AU  - Harris, Dale B
AU  - Minnesota University
TI  - The concept of development: an issue in the study of human behavior 
AV  - BF 701 H35
PY  - 1957///
CY  - Minneapolis
PB  - University of Minnesota
KW  - Psicología genética
KW  - Crecimiento
KW  - Conducta (Psicología)
N1  - Papers presented at a conferecnce held at the University of Minnsota, Dec. 8-10, 1955, to recognize the Insatitute of Child Welfare's productive work of tree decades
ER  -