TY  - BOOK
AU  - Sheppard,William C.
AU  - Willoughby,Robert Henry
TI  - Child behavior: learning and development 
U1  - 155.4 23
PY  - 1975///
CY  - Chicago
PB  - Rand McNally College Pub. Co.
KW  - Child psychology
KW  - Learning, Psychology of
N1  - Includes bibliographies and indexes
ER  -