00417nam a2200145Ia 4500008004100000020001500041082002000056100000500076245007100081260006500152300000800217650001000225650001500235700002100250140316s9999    xx            000 0 und d  a8170193230  a660.602bSIN/EN  a  aEnviornment and biotechnology : a new frontiers of plant pathology  aNew DelhibToday and Tomarrows Printers and Publishersc1988  a126  aOzone  aPollutants  aSingh,B P et al.