00294nam a2200109Ia 4500008004100000082002400041100002500065245004200090260002300132300001000155650001900165140113s9999    xx            000 0 und d  a632.38:633 / 635 K6  a" Smith, Kenneth M."  aVirus diseases of farm & garden crops  b"Littlebury, 1966"  a111p.  aVirus diseases