00293nam a2200109Ia 4500008004100000040003800041100001500079245002100094260003200115300001600147653002000163211215s9999    xx            000 0 und d  cJayakar Knowledge Resource Centre  aWright,F G 0aPlant physiology  bEdward ArnoldaLondonc1968  aviii,71p p.  aPlant physiolgy