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Indian Institute of Chemical Technology Communication No. 2392.
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Choudary, B.M., Subba Rao, Y.V. & Prasad, B.P. New Triphase Catalysts from Montmorillonite. Clays Clay Miner. 39, 329–332 (1991). https://doi.org/10.1346/CCMN.1991.0390314
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DOI: https://doi.org/10.1346/CCMN.1991.0390314