[39] See, e.g., Chemical Week, vol. 77 (September 3, 1955), p. 79 f.; J. Bolle, Chimie et Industrie (1960), vol. 83, p. 252.
[40] W. Lange, Berichte der Deutschen Chemischen Gesellschaft (Berlin, 1929), vol. 62, p. 793; vol. 65 (1932), p. 1598.
[41] Gerhard Schrader, U.S. patent 2,336,302 of 1943 (priority in Germany, 1938); S. A. Hall and M. Jacobson, Industrial and Engineering Chemistry (1943), vol. 40, p. 694.
[42] A. M. Mattsen and others, Journal of Agriculture and Food Chemistry (1955), vol. 3, p. 319.
[43] John B. Van Wazer, Phosphorus and its Compounds, 2 vols. (vol. 1, Chemistry; vol. 2 Technology, Biological Functions and Applications), New York: Interscience, 1958, 1961.
U.S. GOVERNMENT PRINTING OFFICE: 1965
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