TY  - BOOK
AU  - Barufaldi, James P. 
AU  - Ladd, George T. 
AU  - Moses, Alice Johnson 
TI  - Heath science
SN  - 0669021377
U1  - 500 
PY  - 1985///
CY  - Lexington
PB  - D.C. Heath and Company
KW  - Science- Study and teaching (Elementary)
ER  -