chemical analysis of Argonne Premium Coal samples / Ed. C. A. Palmer, 1997. - IV,106 p. p. - Текст : непосредственный.
Chemistry and mineralogy of natural bitumens and heavy oils and their reservoir rocks from the United States, Canada, Trinidad and Tobago, and Venezuela / J.W.Hosterman,R.F.Meyer,C.A.Palmer и др., 1990. - 19 p. - Текст : непосредственный.