Centenary of the theory of chemical structure. Collection of papers by A. M. Butlerov [and others - Butlerov, A. M. (Aleksandr Mikhaĭlovich), 1828-1886; Kazanskiĭ, Boris Aleksandrovich, 1891-1973; Bykov, G. V. (Georgiĭ Vladimirovich) (Pub. House of the USSR Academy of Sciences, 1961)