000			00317nam a2200109Ia 4500
008			220809s2008 xx 000 0 und d
041			_aeng
245			_aJournal of environmental science and engineering Vol.50, No.1-4, Jan-Dec 2008
260			_c2008
520			_aBack Volume
650			_aCommunity Medicine (614.44)
999			_c164131 _d164131