000 00353nam a22001697a 4500
020 _a-
022 _a-
082 _a352.6
_bCUN
100 _aCunningham
245 _aEnvironmental sciences
_b-
_cCunningham ,Saigon
250 _a1997
260 _aAmerica
_bmcgraw-hill
_c1997
300 _a634
_e-
500 _a-
700 _a-
942 _cBK
999 _c15291
_d15291