000 00290nam a2200121Ia 4500
008 161121s9999 xx 000 0 und d
100 _aKUMAR (A) ; SINGH (Umesh Prasad)
245 0 _aEnvironmental protection and industrial
260 _cNIL
365 _b0
650 _aNIL
942 _cBK
999 _c95762
_d95762