00363nam a2200133Ia 4500008004100000082002100041100001900062245005800081260002200139300001000161600002000171600002000191650001800211140113s9999    xx            000 0 und d  a632:633 / 635 J2  a" Gram, Ernst"  a"Plant diseases in orchard, nursery and garden crops"  b"Macdonald, 1952"  a618p.  a" Webber, Anna"  a" Webber, Anna"  aPlant disease