TY - RPRT TI - Isotopic composition of lead and strontium from Ascension and Gough islands AU - P.W. Gast AU - G.R. Tilton AU - C. Hedge PY - 1964 DO - 10.1126/science.145.3637.1181 UR - https://pubs.usgs.gov/publication/70010746 ID - 70010746 ER -