TY  - BOOK
AU  - Townsend,Ronald D.
AU  - DeHart,Hurd Paul
TI  - Energy, matter, and change: excursions into physical science 
SN  - 0673019721
PY  - 1973///
CY  - Glenview, Ill.
PB  - Scott, Foresman and Company
KW  - Energy
KW  - Matter
KW  - Physics
N1  - Includes index
ER  -