Parkhurst D.L. Ground-water-quality assessment of the Central Oklahoma aguifer,Oklahoma-geochemical and geohydrologic investigations / D.L.Parkhurst,S.Christenson,G.N.Breit, 1996. - IX,101 p. p. - Текст : непосредственный.
Geochemistry of two interbeds in the Pennsylvanian Paradox Formation,Utah and Colorado - a record of deposition and diagenesis of repetitive cycles in a marine basin / M.L.Tuttle,T.R.Klett,M.Richardson,G.N.Breit, 1996. - 86 p. - Текст : непосредственный.
Owen D.E. Geochemical reconnaissance study of Vassar Meadow (Adams Rib) wetlands and vicinity,Eagle County,Colorado / D.E.Owen,G.N.Breit, 1995. - 16 p. - Текст : непосредственный.