Butler, J. (1953). Geochemical affinities of some coals from Svalbard.
Chicago Style (17th ed.) CitationButler, J.R. Geochemical Affinities of Some Coals from Svalbard. 1953.
MLA (9th ed.) CitationButler, J.R. Geochemical Affinities of Some Coals from Svalbard. 1953.
Warning: These citations may not always be 100% accurate.