00377nam a2200133Ia 4500008004100000082004400041100002200085245003400107260003600141300001000177600001900187600001900206650001800225140113s9999    xx            000 0 und d  a"632.937.1.01""1975.5.4 / 17""(042) L6"  a" Wood, R. K. S."  aSpecificity in plant diseases  b"New york : Plenum press, 1976"  a354p.  a" Graniti, A."  a" Graniti, A."  aPlant disease