TY  - BOOK
AU  - Heimler,Charles H.
AU  - Neal,Charles D.
TI  - Principles of science: book one 
SN  - 0-675-07732-X
U1  - 500 H467 1983 
PY  - 1983///
CY  - Columbus, Ohio
PB  - Charles E. Merrill Publishing
KW  - Science study and teaching(secondary)
N1  - Includes appendices, glossary and index
ER  -