TY  - BOOK
AU  - Yoakum, Clarence S
AU  - Yerkes, Robert M
TI  - Mental Tests in the American Army
U1  - 151.2223 
PY  - 1920///
CY  - London
PB  - Sidgwick & Jackson
KW  - Psychology
KW  - Psychological Tests
N1  - Index; Illustrations
ER  -