00365nam a2200121Ia 4500008004100000082002100041100001900062245006300081260003800144300001500182600001800197650002800215140224s9999    xx            000 0 und d  a581.452:519.2 M4  aJean, Roger V.  aMathematical approach to pattern and form in plant growth/  aNew YorkbJohn Wiley & Sonsc1984  axxiv,222p.  aRoger V. Jean  aPhysiology,Plant growth