参考文献
Ponomarew; Lipanowa
Zhurnal Obshchei Khimii, 1953 , vol. 23, p. 1719,1724; engl. Ausg. S. 1811, 1814
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Ponomarew et al.
Zhurnal Obshchei Khimii, 1953 , vol. 23, p. 1426,1428; engl. Ausg. S. 1493, 1496
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Maekawa
Scient. Rep. Matsuyama agric. Coll., 1950 , # 3 p. 113,116