00319nam a2200121Ia 4500008004100000082001100041100002300052245003400075260003500109300001300144600002100157650001900178140224s9999    xx            000 0 und d  a632 L5  aVander Plank, J.E.  aPrinciples of plant infection  aNew YorkbAcademic Pressc1975  axi,216p.  aJ.E.Vander Plank  aPlant diseases