00593nam a2200181Ia 4500008004100000082001600041100008600057245001600143260006600159300000800225650004100233650003400274653002800308653001900336653001500355700001700370700002400387170901s1980    xx            000 0 und d  a632.19bI5P  aInternational Symposium on Environmental Pollution and Toxicology, November, 1977 0aProceedings  aNew DelhibToday and Tomorrow's Printers and publishersc1980  a333  aAgriculture and related technologies  aTechnology (Applied sciences)  aEnvironmental pollution  aPlant diseases  aToxicology  aGupta, D. S.  aRaychaudhuri, S. P.