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Lapkin,I.I.; Fotin,V.V.
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Lapkin,I.I.; Fotin,V.V.
Zhurnal Organicheskoi Khimii, 1976 , vol. 12, # 3 p. 537 - 541,529 - 532

Lapkin,I.I.; Fotin,V.V.
Zhurnal Organicheskoi Khimii, 1976 , vol. 12, # 3 p. 537 - 541,529 - 532