TY  - BOOK
ED  - New York.Work Projects Administration.Federal works Agency
TI  - Tables of sines and cosines for Radian arguments
U1  - 514.083 
PY  - 1940///
CY  - N Y
PB  - N B S
KW  - Trigonametry-tables
N1  - Conducted under the sponsorship of the National Bureau of Standards
ER  -