Keller M.A. Strontium isotope evidence for the age of the Vaqueros Formation and latest Oligocene marine transgression in the northern Santa Maria province,central California. Stratigraphic sections and gamma-ray spectrometry from five outcrops of the Monterrey Formation in southwestern California:Naples Beach,Point Pedernales,Lion's Head,Shell Beach and Point Buchon ; J. R. Schwalbach, K. M. Bohacs, ; M.A.Keller,M.E.Tennyson,R.E.Denison, 1995. - 8,39 p. p. - Текст : непосредственный.