TY  - BOOK
AU  - Johnston, C. L.
TI  - Plane trigonometry, a new approach
SN  - 0136776663
AV  - QA533 .J65 1978
U1  - 514.5 
PY  - 1978///
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Plane trigonometry
N1  - Includes index
ER  -