TY  - BOOK
AU  - Heineman, E. Richard.
TI  - Plane Trigonometry with Tables /E. Richard Heineman
SN  - 0070279314
U1  - 516.25HEI 
PY  - 1974///
CY  - New York
PB  - Mc Graw-Hill
KW  - TRIGONOMETRY, Plane
ER  -