00266nam a2200097Ia 4500008004100000082001600041100002100057245002700078260005500105300000800160140113s9999    xx            000 0 und d  a632.38   M5  a"Walkey, D.G.A."  aApplied Plant Virology  a1985bInternational Books & PeriodicalscNew Delhi  a329