TY  - BOOK
AU  - Sobel, Max A.
AU  - Lerner, Norbert
TI  - Algebra and trigonometry
SN  - 9710824015
AV  - QA154.2 .S59 1983
PY  - 1983///
PB  - Prentice hall
KW  - Trigonometry
N1  - Includes index
ER  -