00262nam a2200097Ia 4500008004100000082002700041100002600068245003900094260002300133300000800156140113s9999    xx            000 0 und d  a632.38:634.11/.13   K3  a"Posnette, A.F., Ed."  aVirus diseases of Apples and Pears  a1963bCABcEngland  a141