1. V. Biringuccio:De La Pirotechnia, Venice, 1540; see translation by C.S. Smith and M.T. Gnudi:The ‘Pirotechnia’ of Vannoccio Biringuccio, American Institute of Mining, Metallurgical and Petroleum Engineers, New York, 1942.
2. R.A. de Réaumur:L’Art de Convertir le Fer Forgé en Acier, et L’Art d’Adocir le Fer Fondu, (in French), Michel Brunet, Paris, 1722; see translation by A.G. Sisco:Réaumur’s Memoirs on Steel and Iron, University of Chicago Press, 1956.
3. C.A. Zapffe and G.A. Moore:Trans. AIME, 1943,154, pp. 335–59.