TY  - BOOK
AU  - Lugo,James O.
AU  - Hershey,Gerald L.
TI  - Human development: a psychological, biological, and sociological approach to the life span 
SN  - 0023723203
AV  - BF713 .L83 1979
U1  - 155 LUG H 
PY  - 1979///
CY  - New York
PB  - Macmillan
KW  - Developmental psychology
N1  - Includes bibliographies and index
ER  -