TY  - BOOK
AU  - Bittinger / Beecher
TI  - Trigonometry
SN  - 0201091925
AV  - QA531 .B577 1989
PY  - 1989///
CY  - Reading, Massachusetts
PB  - Addison - Wesley Publishing Company
KW  - Trigonometry
KW  - Mathematics
ER  -