00370nam a2200109Ia 4500008004100000020001800041082001800059100001600077245009400093260006500187300000800252140316s9999    xx            000 0 und d  a81 7019 377 X  a632.9bMAH/PO  aMahadevan,A  aPost infectoinal defence mechanisms v.2 : biochemical aspects of plant disease resistance  aNew DelhibToday and Tomarrows Printers and Publishersc1991  a871