Piersol, R. J. (1933). Briquetting Illinois coals without a binder by compression and by impact: A progress report of a laboratory investigation. s.n.
Chicago-Zitierstil (17. Ausg.)Piersol, Robert J. Briquetting Illinois Coals Without a Binder by Compression and by Impact: A Progress Report of a Laboratory Investigation. Urbana, Ill: s.n, 1933.
MLA-Zitierstil (9. Ausg.)Piersol, Robert J. Briquetting Illinois Coals Without a Binder by Compression and by Impact: A Progress Report of a Laboratory Investigation. s.n, 1933.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.