000 00339nam a2200157Ia 4500
008 190201s9999 xx 000 0 und d
020 _a9.78007E+12
082 _aAL-
082 _b27A
100 _a"Mahajan, S P"
245 0 _aPollution Control In Pro
260 _aNew Delhi
260 _bTMH
260 _c1985
300 _aXI- 273
999 _c18549
_d18549