TY  - BOOK
AU  - Brandwein,Paul Franz
AU  - Cooper,Elizabeth K.
AU  - Blackwood,Paul E.
TI  - Concepts in Science: Purple 
SN  - 0-15-365736-7
PY  - 1980///
CY  - New York
PB  - Harcourt Brace Jovanovich
KW  - Science
KW  - Science - Study and teaching (Primary)
N1  - Index, p. 332-340
ER  -