Pohl, Walter L. Economic geology principles and practice : metals, minerals, coal and hydrocarbons- introduction to formation and sustainable exploitation of mineral deposits Walter L. Pohl - Chichester Wiley-Blackwell 2011 - xii,663p.:ill.; 25cm. ISBN: 978-1-4443-3663-4 Subjects--Topical Terms: Geology, Economic Dewey Class. No.: 553 / POH