References
Gardner, J. H., Naylor, C. A.: Org. synthesis, Vol. XVI, p. 68; Org. synthesis collective, Vol. II, p. 523
Singh, E.: D.Phil. Thesis, Univ. Allahabad 1969
Singh, E., Gupta, P. C.: J. Ind. Chem. Soc. 1973 (in press)
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Singh, E. Di- and trihydroxyphenyl-phthalides as adsorption indicators in argentometric titrations. Z. Anal. Chem. 269, 124–125 (1974). https://doi.org/10.1007/BF00424691
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DOI: https://doi.org/10.1007/BF00424691