TY  - BOOK
AU  - Kells,Lyman M.
AU  - Bland,James R.
AU  - Kern,Willis F.
TI  - Plane and spherical trigonometry
U1  - 516.244  
PY  - 1943///
CY  - New York, London
PB  - McGraw-Hill book company, inc.
KW  - MCE
KW  - Plane trigonometry
KW  - Spherical trigonometry
N1  - "Answers": p. 365-395; 0; 0; 0; 516_244000000000000_KEL
ER  -