00461nam a2200145Ia 4500008004100000082001600041100001800057245010100075260006600176300000800242650001800250650001800268653001200286700001700298170901s1980    xx            000 0 und d  a574.5bA24P  aAgarwal, V.P. 0aProgress in EcologybSelected and Invited Papers Read at the Symposium on Advancement of Ecology  aNew DelhibToday and Tomorrow's Printers and Publishersc1980  a167  aLife sciences  aPure Sciences  aEcology  aSharma, V.K.