TY  - BOOK
AU  - Brandwein, Paul F, Elizabeth K. Cooper, Paul E. Blackwood and Elizabeth B. Hone
TI  - Concepts in science 
AV  - LB 1585 C6 1966
PY  - 1966///
CY  - New York
PB  - Harcourt, Brace & World, INC.
KW  - Science
KW  - Study and teaching
ER  -