TY  - GEN
AU  - Locker,John
AU  - Klopfenstein, Keneth F
TI  - Numerical trigonometry
SN  - 188857027x
AV  - QA 531 LOC 1992 
PY  - 1992///
CY  - New York
PB  - Colorado State University
KW  - Trigonometry
N1  - Includes index
ER  -