00383nam a2200133Ia 4500008004100000020000500041082001600046100001600062245005100078260006900129300000900198650002100207650002100228140316s9999    xx            000 0 und d  a  a577bBAB/PR  aBabu,Ambatt  aProceedings of 3rd indian environment congress  aThiruvananthapurambCentre for Environment and Developmentc2004  a422p  ainland waterways  akayal ecosystems