000			00317nam a2200121Ia 4500
008			210324s1985 xx 000 0 und d
082			_a334.2 _bSIN/Env
100			_aSingh, P. _9366264
245			_aEnvironmental pollution and management.
260			_c1985
650			_aNO SUBJECT _9366265
700			_aN.A. _9366266
999			_c289310 _d289310