000 00501nam a2200193Ia 4500
005 20250619145122.0
008 250619s9999||||xx |||||||||||||| ||und||
020 _a8170413524
_c400
040 _aMAIN
041 _aEnglish
082 _a577.14
_bTYA
100 _aTyagi, O. D. and Mehra, M.
245 2 _aA textbook of environmental chemitry
260 _aNew Delhi
_b; Anmol Publications
_c, 1990
300 _a404p.
650 _aEcology
650 _aEnvironmental Chemistry
942 _cBK
999 _c121656
_d121656