244. ---------------.[ BERTHELOT, C.] [Production of Methanol and Its Derivatives, Formaldehyde, Hexamethylenetetramine, Resins, etc.] Chim. et ind., vol. 45, Special No. 42-43, 1941; Chem. Zentralb., 1942, I, p. 418; Chem. Abs., vol. 37, 1943, p. 2715.

244. ---------------.[ BERTHELOT, C.] [Production of Methanol and Its Derivatives, Formaldehyde, Hexamethylenetetramine, Resins, etc.] Chim. et Ind., vol. 45, Special No. 42-43, 1941; Chem. Zentralb., 1942, I, p. 418; Chem. Abs., vol. 37, 1943, p. 2715