I. M. Fedorchenko, N. G. Baranov, I. G. Slys', P. A. Verkhovodov, V. V. Pushkarev, L. R. Shaginyan,
Effect of boronizing on the structure and antifriction properties of a bronze-cast iron composite material Powder Metallurgy and Metal Ceramics. ,vol. 20, pp. 622- 625 ,(1981) ,
10.1007/BF00801569