00317nam a2200109Ia 4500008004100000040003800041100001500079245003100094260004600125300001500171653002100186211215s9999    xx            000 0 und d  cJayakar Knowledge Resource Centre  aKnight,R O 0aPlant in relation to water  bHeinemann Educational BooksaLondonc1965  aix,147p p.  aPlant physiology