TY  - BOOK
AU  - Cooper,Elizabeth K.
AU  - Blackwood,Paul E.
AU  - Boeschen,John A.
AU  - Giddings,Morsley G.
AU  - Carin,Arthur A.
TI  - HBJ science ։: Blue 
SN  - 0-15-365490-2
PY  - 1985///
CY  - Orlando
PB  - Harcourt Brace Jovanovich, Publishers
KW  -  Science
KW  - Study and teaching (Elementary)
N1  - Science words, p. 154
ER  -