00331nam a2200109Ia 4500008004100000082003500041100002100076245005200097260004200149300001000191650002000201140113s9999    xx            000 0 und d  a"632""1908 / 1958""(047.1) J9"  a" Holton, C. S."  aPlant pathology problems and progress 1908-1958  b"University of wisconsin press, 1959"  a588p.  aPlant pathology