00342nam a2200133Ia 4500008004100000082001600041100001800057245003000075260003600105300000800141650002300149650001800172653001800190170901s1976    xx            000 0 und d  a581.5bA45T  aAmbasht, R.S. 0aTextbook of Plant Ecology  aVaranasibDev Jyoti Pressc1976  a266  aBotanical sciences  aPure Sciences  aPlant ecology