TY  - BOOK
AU  - Petrie,P.A.
TI  - Elements of trigonometry and statics / 
U1  - 516.24 
PY  - 1956///
CY  - Vancouver : 
PB  - The Copp Clark Publishing Co. Ltd. , 
KW  - Logarithms
KW  - Trigonometry
KW  - Mathematical statistics
N1  -  Includes index
ER  -