Present methods of coke manufacture.

by Zieliński, Henryk, dr. hab. inż
Warsaw, Published for the Dept. of the Interior and the National Science Foundation, Washington, D.C., by the Foreign Scientific Publications Dept. of the National Center for Scientific, Technical and Economic Information; [available from the U.S. Dept. of Commerce, National Technical Information Service, Springfield, Va.] 1972

Influence of the addition of small amounts of organic liquid on the bulk density of the coal charge in coking plant A /

by Szafranowicz, Aleksander
Warsawa, Poland : Published for the National Science Foundation and the Department of the Interior by Centralny Instytut Informacji Naukowo-Technicznej, 1961

Contribution to the characteristics of the coking coals from the Wałbrzych Basin = Przyczynek do charakterystyki węgli koksujących Zagłębia Wałbrzyskiego /

by Kahane, Szymon, Miłaszewicz, Olgierd
Warsaw, Poland : Published for the National Science Foundation and the Department of the Interior by Centralny Instytut Informacji Naukowo-Technicznej i Ekonomicznej, 1962