00290nam a2200109Ia 4500008004100000082001200041100002700053245002700080260004500107300001000152650001800162140113s9999    xx            000 0 und d  a(632 L0  a" Raychaudhuri, S. P."  aPlant disease problems  b"Indian phytopathological society, 1970"  a915p.  aPlant disease