TY  - BOOK
AU  -  Sharp,Henry
TI  -  Elements of plane trigonometry / 
U1  -  516.242   23
PY  - 1958///
CY  -  Englewood Cliffs, N.J : 
PB  -  Prentice-Hall, 
KW  -  Plane trigonometry
N1  -  Includes index
ER  -