TY  - GEN
AU  - Heimler , Charles H.
TI  - Principles of science:  book 2
SN  - 0675077192
U1  - 501 
PY  - 1983///
CY  - Ohio
PB  - Merril publishing 
KW  - PHYSICS
KW  - BIOLOGY
KW  - SCIENCE AND TECHNOLOGY
KW  - PRINCIPLES
KW  - SCIENCE
KW  - CHEMISTRY
KW  - ENVIRONMENTAL SCIENCE
ER  -