ANGINO, E. E. and BILLINGS, G. K., 1972: Atomic absorption spectrometry in geology. In Method in geochemistry and geophysics, 7, Elsevier. Publ. Co., Amsterdam, 191 p.
CRAIG, H. and GORDON, L. I., 1965: Isotopic oceanography. Symp. Marine Geochem., Narragansett Marine Lab., Univ. R. I. Publ., 3, 277p. (after GARLICK, G. D., 1969: Handbook of Geochemistry, II-1, no. 8, Oxygen. Springer-Verlag, Berlin.).