TY  - BOOK
AU  - Weeks,Arthur W.
AU  - Funkhouser,H.Gray
TI  - Plane trigonometry
AV  - QA533 .W4 1943
U1  - 514.5 
PY  - 1943///
CY  - New York
PB  - D. Van Nostrand company, inc.
KW  - Plane trigonometry
N1  - A preliminary edition (lithoprinted) was published in 1940
ER  -