THE THIRD ROUND TABLE MEETING ON PHYSICO-CHEMICAL AND STRUCTURAL PROPERTIES AND KINETICS OF REDUCTION OF WÜSTITE AND MAGNETITE : THE POLISH-FRENCH ANNUAL SEMINAR, JADWISIN, POLAND, SEPT. 28 - OCT. 3, 1986 - Mrowec, S. (Wydawnictwo Akademii Górniczo-Hutniczej, 1986)