TY  - BOOK
AU  - Crowhurst,Norman H.
TI  - Basic mathematics
PY  - 1961///-
CY  - New York
PB  - J. F. Rider
KW  - Mathematics
N1  - V. 1 (1961, 143 p.); V. 2 (1961, 138 p.); V. 3 (1961, 138 p.); V. 4 (1963, 138 p.)
ER  -