000 nam a22 7a 4500
999 _c120439
_d120439
008 191210b xxu||||| |||| 00| 0 eng d
020 _a9780618372089
050 _aQD31
_b.Z86 1990
100 _aHummel, Thomas J; Zumdahl, Steven S
_942136
245 _aChemical principles
260 _aCanada
_bZumdahl
_cc1999.