000 00322nam a2200121Ia 4500
008 211209s1969 xx 000 0 und d
041 _aeng
082 _a660.2842 N69 WHI/TON
100 _aWHITWELL J C
245 _aCONSERVATION OF MASS AND ENERGY
260 _aNEW YORK
_bMCGRAW-HILL KOGAKUSHA LTD.
_c1969
300 _a514
999 _c20501
_d20501