000 00476nam a22001817a 4500
003 OSt
005 20210813125100.0
008 210813b |||||||| |||| 00| 0 eng d
020 _a8174885447
040 _cAAMUSTED
050 _aGF47
_b.T731997
100 _aTrivedi R.N.
245 _aA textbook of environmental sciences
_cR.N. Trivedi
260 _aNew Delhi
_bAnmol publication
_c1997
300 _axi,474p.:
_bill
_c21cm
504 _ainclude reference
942 _2lcc
_cBK
999 _c1256
_d1256