TY  - BOOK
AU  - Kells,Lyman M.
TI  - Plane and Spherical Trigonometry: with Tables
SN  - 9710819178
PY  - 1951///]
CY  - New York
PB  - McGraw-Hill Book Co., Inc.
KW  - Trigonometry
KW  - 1951
KW  - New York
KW  - newsprint
KW  - sears
ER  -