000 00305nam a2200121Ia 4500
008 170101s2000 xx 000 0 und d
082 _a620.11223 KUM
100 _aKumar ram
245 0 _aEnvironmental Biodegradation
260 _aNew Delhi
_bSarup & Sons
_c2000
300 _a526 p.
942 _2ddc
_cB
999 _c1199916
_d1199916