TY  - BOOK
AU  - Townsend, Ronald D.
AU  - Hurd, Paul Dehart
TI  - Energy, Matter and Change
SN  - 067301973
U1  - 530 
PY  - 1973///
CY  - U.S.A
PB  - Scott, Foresman &  Company
KW  - Physics
ER  -