TY  - GEN
AU  - Graham, John A.
AU  - Sorgenfrey, Robert
TI  - Trigonometry with applications
SN  - 0395304504
U1  - 516.24  
PY  - 1983///
CY  - Boston : 
PB  - Houghton Mifflin Company
KW  - Trigonometry
N1  - Includes appendix, glossary and answers
ER  -