Roy, SBhattacharya, SDas, PChattopadhyay, J2011-08-092011-08-092007Journal of biological physics,V33,1,P87-100http://hdl.handle.net/10263/2413enCoexistenceParadox of planktonToxin producing planktonInteraction among non toxic phytoplankton, toxic phytoplankton and zooplankton : inferences from field observationsArticle