Verma, S. P., & Luhr, J. F. (1993, October). Sr-Nd-Pb isotope and trace element geochemistry of calc-alkaline andesites from Volcán Colima, Mexico. Geofísica Internacional.
Chicago Style (17th ed.) CitationVerma, Surendra P., and James F. Luhr. "Sr-Nd-Pb Isotope and Trace Element Geochemistry of Calc-alkaline Andesites from Volcán Colima, Mexico." Geofísica Internacional Oct. 1993.
MLA (9th ed.) CitationVerma, Surendra P., and James F. Luhr. "Sr-Nd-Pb Isotope and Trace Element Geochemistry of Calc-alkaline Andesites from Volcán Colima, Mexico." Geofísica Internacional, Oct. 1993.
Warning: These citations may not always be 100% accurate.
