TY  - BOOK
AU  - Valadian,Isabelle
AU  - Porter,Douglas
TI  - Physical growth and development: from conception to maturity
SN  - 0316895253
PY  - 1977///
CY  - Boston
PB  - Little Brown & Co.
KW  - Children
KW  - Growth
KW  - Programmed instruction
KW  - Programmed texts
N1  - Includes bibliographies and index
ER  -