The formation of minerals in a chromite-periclase refractory produced from fused materials and its wear in the roof of an open-hearth furnaceV. A. Perepelitsyn; N. A. Mityushov; S. M. Zubakov; G. V. Kononenko; G. A. Nechistykh; K. V. Simonov; G. A. Shubin; G. I. Kuznetsov; G. G. Chugunnikov · 1975