TY  - BOOK
AU  - Townsend, Ronald D.
AU  - Hurd, Paul Dehart
TI  - Energy,Matter,and Change : laboratory book
SN  - 0-673-01973-X
U1  - 531.6 
PY  - 1973///
CY  - Illinois
PB  - Scott, Foresman &  Company
KW  - Physics
ER  -