1.
 |  | Title: Our Ecological Footprint: Reducing Human Impact on the Earth by Williams E. Rees, Phil Testemale, Mathis Wackernagel ISBN: 086571312X Publisher: New Society Pub Pub. Date: November, 1995 List Price: $14.95 Amazon.com Price: $10.47 |
2.
 |  | Title: Sharing Nature's Interest : Ecological Footprints as an Indicator of Sustainability by Nicky Chambers, Craig Simmons, Mathis Wackernagel ISBN: 1853837393 Publisher: Earthscan Publications, Ltd. Pub. Date: 28 February, 2001 List Price: $24.00 Amazon.com Price: $24.00 |
3.
 |  | Title: The Winners and Losers in Global Competition: Why Eco-Efficiency Reinforces Competitiveness: A Study of 44 Nations by Andreas Sturm, Mathis Wackernagel, Kaspar Muller ISBN: 1557533571 Publisher: Purdue University Press Pub. Date: October, 2003 List Price: $24.95 Amazon.com Price: $21.21 |
4.
 |  | Title: Die Gewinner und die Verlierer im globalen Wettbewerb. Warum Ãko-Effizienz die Wettbewerbsfähigkeit stärkt: 44 Nationen im Test. by Andreas Sturm, Mathis Wackernagel, Kaspar Müller ISBN: 3725306532 Publisher: Verlag Rüegger Pub. Date: 01 January, 1999
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