United States. Bureau of Mines & Kilau, H. W. (1981). Evaluation of Synthetic fluorspar in BOF slags. United States. Dept. of the interior, Bureau of Mines.
Chicago (17e ed.) BronvermeldingUnited States. Bureau of Mines en H. W. Kilau. Evaluation of Synthetic Fluorspar in BOF Slags. [Washington]: United States. Dept. of the interior, Bureau of Mines, 1981.
MLA (9e ed.) BronvermeldingUnited States. Bureau of Mines en H. W. Kilau. Evaluation of Synthetic Fluorspar in BOF Slags. United States. Dept. of the interior, Bureau of Mines, 1981.
Let op: Deze citaties zijn niet altijd 100% accuraat.