00389nam a2200157Ia 4500008004100000082001600041100001800057245002400075250000600099260004500105300000800150650002300158650001800181653001800199700001400217170901s1981    xx            000 0 und d  a581.5bS33E  aSharma, P. D. 0aElements of Ecology  a4  aVaranasibBanaras Hindu Universityc1981  a373  aBotanical sciences  aPure Sciences  aPlant Ecology  aMisra, R.