00380nam a2200145Ia 4500008004100000082001600041100002400057245004300081250000600124260003500130300000800165650002300173650001800196653002000214170901s1963    xx            000 0 und d  a581.2bV21P  aPlank, J.E. Van Der 0aPlant Diseases : Epidemics and Control  a2  aNew YorkbAcademic Pressc1963  a349  aBotanical sciences  aPure Sciences  aPlant pathology