TY  - BOOK
AU  - RAYMOND HEDRICK, EARLE
TI  - TABLES TRIGONOMETRIC AND LOGARITHMIC
T2  - 0
U1  - 512.922 
PY  - 1920///
CY  - NEW YORK-U.S.A.
PB  - THE MACMILLAN COMPANY
KW  - CIENCIAS PURAS
N1  - TABLES-LOGARITHMIC
ER  -