000 00316nam a2200133Ia 4500
008 160316s2000 xxu||||| |||| 00| 0 eng d
020 _a81723325800
100 _aThukral, A.K.
245 _aEnvuronmental Protection
250 _a1st
260 _aJODHPUR
_bSCIENTIFIC PUBLISHERS
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300 _a426
700 _a
_a
999 _c178
_d178