Dalrymple, G. Brent Potassium - argon dating Principles, techniques and applications to geochronology - San Francisco W.h. freeman and company 1969 - xiv, 258p. Illustration 23.5cm x 15cm - A series of book in geology . ISBN: 71670241X Subjects--Topical Terms: Potassium- Argon datingArgonGeochronology Dewey Class. No.: 551.701 / DAL