000 00328nam a2200133Ia 4500
008 221117b |||||||| |||| 00| 0 eng d
040 _aBGL
_cBGL
082 _a338.4791CHH:E
100 _aJohar, Chhatwal Rajni
245 0 _aEnvironmental Science
260 _aNew Delhi
_bUDH Publication
_c2010
300 _a368p
942 _cGB
999 _c29826
_d29826