00286nam a2200097Ia 4500008004100000082002000041100002300061245003600084260005800120300001000178140113s9999    xx            000 0 und d  a632.03(02)   K4  aStreets. Robert.B.  aThe Diagnosis of plant diseases  a1964buniversity of Arizona Pressc"Tuckson, Arizona"  a11.11