TY  - BOOK
AU  - Walker,Edward L
TI  - Psychology as a natural and social science
PY  - 1970///
CY  - Belmont, Ca.
PB  - Brooks/Cole Publishing Co.
KW  - Psychology
KW  - Methodology
KW  - Science and psychology
KW  - Social sciences and psychology
N1  - Bibliography: p. 62-64
ER  -