00293nam a2200097Ia 4500008004100000082002500041100003400066245004500100260004200145300000800187140113s9999    xx            000 0 und d  a047.1:582.28   M3.21  a"Gregon, R.C., et al�,Eds."  aAnnual Review of Phytopathology -Vol. 21  a1983bAnnual Reviews Inc.cCalifornia  a429