TY  - BOOK
AU  - Briggs,William
AU  - Bryan,G.H.
TI  - The tutorial trigonometry
U1  - 514 
PY  - 1928///
CY  - London
PB  - University Tutorial Press
KW  - Algebra
KW  - Sexagesimal measures
N1  - I. Intermediate course.--II. Advanced course
ER  -