Jayakumar.P, K.N.Remani, Nirmala E., & Jalaja T.K(2003)Environmental problems of Vembanad –Kol Wetland and Management Strategies. Editors K K S Bhattia, .D.Khobragade, National Institute of Hydrology, Roorkee Published by M/s Anubhav Printers, Roorkee - U