00317nam a2200097Ia 4500008004100000100001300041245009500054260003700149700001300186700002000199220216s9999 xx 000 0 und d aMathew J 0aPollution problems pertaining to liquid effluents from natural rubber processing factories bIANPC Technical annual, 13:36-40 aJoseph K aKothandaraman R