00323nam a2200121Ia 4500008004100000040003800041100002000079245001800099250000900117260003800126300001700164653002000181211228s9999    xx            000 0 und d  cJayakar Knowledge Resource Centre  aWeaver, John E. 0aPlant ecology  a2ed.  bTata Mc-Graw HillaNewDelhic1978  axxii,601p p.  aBotany- Ecology