TY - RPRT TI - Triple junction magmatism: a geochemical study of Neogene volcanic rocks in western California AU - C.M. Johnson AU - J. R. O’Neil PY - 1984 DO - 10.1016/0012-821x(84)90090-6 UR - https://pubs.usgs.gov/publication/70013611 ID - 70013611 ER -