TY  - BOOK
AU  - Betz,William
TI  - Basic mathematics: a self-teaching course 
U1  - 510 
PY  - 1944///
CY  - Boston
PB  - Published for the United States Armed Forces Institute by Ginn
KW  - Mathematics
N1  - Includes index; Vol.1; Vol. 2 ---
ER  -