TY  - BOOK
AU  - E. Richard Heineman
TI  - Plane Trigonometry
U1  - 516.241 
PY  - 1956///
CY  - Newyork
PB  - Mcgraw hill book co. Inc
N1  - E. Richard Heineman: Plane Trigonometry.  (2nd Ed)  Newyork.  Mcgraw hill book co. Inc, 1956.--(516.241HEI)
ER  -