TY  - BOOK
AU  - Cohen, Michael R.
TI  - Discover science
SN  - 0-673-42061-2
AV  - TR 372.3 C66 1989
PY  - 1989///
CY  - Glenview, Illinois
PB  - Scott, Foresman
KW  - Science
KW  - Study and teaching
ER  -