TY  - BOOK
AU  - Richardson, Moses
TI  - PLANE AND SPHERICAL TRIGONOMETRY
U1  - 514 
PY  - 1950///
CY  - N. Y.
PB  - Macmillan
KW  - Trigonometry
N1  - Tables : Common Logarithms, Four-Place Values And Logarithms Of Trigonometric Functions : 4 P. (In Pocket)
ER  -