TY  - BOOK
AU  - Kells,Lyman M.
AU  - Kern, Willis F.,
AU  - Bland, James R.,
TI  - Plane and spherical trigonometry
SN  - 971-08-1917-8
AV  - QA531 .K38 1951
U1  - 514 
PY  - 1978///
CY  - New York
PB  - McGraw-Hill
KW  - Plane trigonometry
KW  - Spherical trigonometry
N1  - Bound with the authors' Five-place logarithmic and trigonometric tables. New York, 1935
ER  -