00342nam a22001097a 4500082001700000100001900017245005700036260005100093300000900144490003300153650004600186  a363.7394 WAT  aWaterPollution  aWater Pollution:reprt on the water pollution seminar  aIrelandbInstitiution of civil engineersc1967  a135p  aseminar reprts oct-2-6 ,1967  aenvromental pollution,water pollution135p