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2. Gradskii, K.F. and Postovskii, I.Ya., Kharakteristika magnitogorskoi kamennougol’noi smoly i opyty ee oblagorazhivaniya (Characteristics of Magnitogorsk Coal Tar and Experiments on Its Refinement), Sverdlovsk: Otd. Nauchno-Tekh. Inf., 1934, pp. 189–200.
3. Postovskii, I.Ya. and Isaeva, V.E., K voprosu obesfenolivaniya stochnykh vod trikrezilfosfatom (Dephenolization of Wastewater with Tricresyl Phosphate), Sverdlovsk: Otd. Nauchno-Tekh. Inf., 1934, pp. 202–213.
4. Postovskii, I.Ya. and Novikov, V.N., The characteristics of pitches, Part 1, Koks Khim., 1934, no. 11, pp. 59–66.
5. Sokolov, V.Z. and Rus’yanova, N.D., Traditional and new technology for the processing of chemical coking products, Koks Khim., 1981, no. 3, pp. 39–42.