Penna Anthony N. Human footprint A global environmental history - West Sussex John wiley & Sons. 2010 - xvi, 354p cm. ISBN: 9781405187718 1664.5999999999999 Source: 28307, 04/09/2009, Segment Book Distrobutors General Book Subjects--Topical Terms: Geography Dewey Class. No.: U:(G:5)v, Q0