1. I. D. Radomysel'skii and V. N. Klimenko, Hard Alloys Made of Powdered Chromium Carbide and. Cast Iron [in Russian], Information Sheet No. 12, Kiev (1961).
2. T. Kimura and A. Majima, Patent 3859085, USA. Method of Obtaining Highly Dense Iron Base Sintered Alloys, published July 6, 1972.
3. I. Masayuki and A. Hidetosi, Application 59-16951, Japan. Iron Base Powder Material with High Wear Resistance, published January 28, 1984.
4. A. Masayuki and H. Kadzuyuki, Application 59-16952, Japan. Iron Base Powder Material with High Wear Resistance, published January 28, 1984.
5. V. N. Klimenko and E. M. Petrova, ?Installation for investigating the process of sintering high-melting materials,? Poroshk. Metall., No. 11, 102?105 (1981).