TY  - BOOK
AU  - Biddier, Rose Marie.
TI  - Exercise book: Science 
SN  - 0811442306
U1  - 500 BID 
PY  - 1990///
CY  - United States
PB  - Steck-Vaughn Company
KW  - Science
KW  - Problems, exercises, etc
ER  -