000 00409nam a22001457a 4500
005 20260206111439.0
008 260206b |||||||| |||| 00| 0 eng d
020 _a0394340434
050 _aQD31.2.H49
100 _aHerron, J. Dudley
245 _aUnderstanding Chemistry :
_ba preparatory course /
_cDudley H. J.
260 _aCanada
_bRandom house
_c1981
300 _axxii, 485p. :ill. ;
_bHbk.
942 _cBK
999 _c27643
_d27643