TY - RPRT TI - Botanical and geological significance of potassium-argon dates from the Juan Fernández Islands AU - Tod F. Stuessy AU - K.A. Foland AU - John F. Sutter AU - Roger W. Sanders AU - O. Mario Silva PY - 1984 DO - 10.1126/science.225.4657.49 UR - https://pubs.usgs.gov/publication/70014003 ID - 70014003 ER -