TY  - BOOK
AU  -  Nelson,Clifford R..
AU  -  Brandwein,Paul Franz
TI  -  Energy : :  its forms and changes / 
SN  -  0153668105
U1  -  531.6 
PY  - 1970///]
CY  -  New York : 
PB  -  Harcourt, Brace Jovanovich, 
KW  -  Force and energy
N1  -  Includes bibliographical references
ER  -