000 00633nam a22001937a 4500
003 BD-DhUL
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040 _aBD-DhUL
_cBD-DhUL
082 _223
_a628.16836
_bPUC
100 _aPurohit, S K
245 _aChemical and biological methods of water and air pollution control :
_ba practical hygiene manual /
_cS K Purohit
260 _aBikaner :
_bAgro Botanical,
_cc1985.
300 _avi, 56 p. :
_bill. ;
_c18 cm.
365 _aRs
_b35.00
504 _aIncludes bibliographical references and index.
648 _2water and air pollution
942 _2ddc
_cBK
999 _c30180
_d30180