00452nam a22001457a 4500020001500000082001300015100001500028245005900043250000800102260007100110300000900181490003600190500005700226654002300283  a8187621595  a300bROY  aRoy, M K P  aWater quality and health status in Kollam municipality  aNil  aThiruvananthapuram , KeralabCentre for development studies c2004  a56p.  aDiscussion paper series ; No.56  aKerala Research programme on local level Development  aGeneral Miscellany