00257nam a2200097Ia 4500008004100000082002000041100003100061245002300092260003600115300000800151140113s9999    xx            000 0 und d  a576.312.32   K9  a"John, B. and Lewis, K.R."  aPhytoplasmatologia  a1969bSpringer-VerlagcNew York  a125