Title: Biblio RTF Export
Author: Biblio 7.x

Jenden, P. D., I. R. Kaplan, R. J. Poreda, and H. Craig. "Origin of Nitrogen-rich Natural Gases in the California Great Valley: Evidence from Helium, Carbon, and Nitrogen Isotope Ratios." Geochimica et Cosmochimica Acta 52 (1988): 851-861.