TY  - BOOK
AU  - Welchons, A
AU  - Krickenberger, W
AU  - Pearson, Helen
TI  - Algebra with trigonometry
SN  - 0663373107
PY  - 1981///
CY  - Massachusetts
PB  - Ginn and Co.
KW  - Algebra with trigonometry
ER  -