Cooper,John A. The flame photometric determination of potassium in geological materials used for... - - Irlanda - Gr. Br. Pergamon Press 1963 - 21p. 20x27cm.Fotocopia - Geochimica et cosmochimica acta v.27 . ISBN: Subjects--Topical Terms: --Argon--Potasio--Minerales--Photometria--Argon potasico--Geoquimica--Geofisica--Geologia