TY  - BOOK
ED  - Great Britain.H M. Nautical Almanac
TI  - Five figure tables of natural trigonometrical functions
U1  - 510.212 
PY  - 1947///
CY  - Great Britain
PB  - H M S O
KW  - Mathematics-Almanac
KW  - Trigonometircal functions
ER  -