p40sAr/p39sAr geochronology of hypabyssal igneous rocks in the Maraņon basin of Peru--a record of thermal history, structure, and alteration [electronic resource] / by L.M. Prueher, R. Erlich, and L.W. Snee.
Mode of access: Internet from the USGS web site. Address as of 1/21/09: http://pubs.usgs.gov/sir/2005/5132/pdf/SIR-2005-5132-508.pdf; current access available via PURL.
Note
Title from PDF title screen (viewed on Jan. 21, 2009).