Das, Kanungo J LBagchi, Loknath2017-07-092017-07-091984https://ir.nbu.ac.in/handle/123456789/820enbipyridylium herbicideparaquatclay mineralsmolecular sieveStudies on the interaction of a bipyridylium, herbicide, paraquat, with clay minerals, resins and molecular sieveThesis89840TH 547.7/B144s