2656.     ---------------.  [PETROV, A. D.]  [Gases Obtained in Low- and High-Temperature Carbonization as Raw Material for Commercial Organic Synthesis.]  Khim. Tverdogo Topliva, vol. 6, 1935, pp. 82-92; Chem. Abs., vol. 29, 1935, p. 7616.

        Review with 28 refs.