1. OST 2-11-O-71, OST 2-11-5-71. Abrasives, granular. Silicon Carbide. Methods of Chemical Analysis [in Russian], Ministry of the Machine Tool Industry of the USSR, Moscow.
2. L. Prost and A. Pauillac, Bull. de la Soc. Francaise de Ceram.,84, 75?83 (1969).
3. G. Serrini and W. Legendecker, Met. Ital.,64, No. 4, 129?132 (1972).
4. T. Ya. Kosolapova and E. E. Kotlyar, Zavod. Lab.,24, No. 12, 1442?1444 (1958).
5. T. Ya. Kosolapova and E. E. Kotlyar, Die Presse des Sowjetunion, No. 36, March 28 (1959).