1. Sharing Nature’s Interests. Ecological Footprints as an Indicator of Sustainability;Chambers,2000
2. Ecological Footprint and Water Analysis of Cotton, Hemp and Polyester;Cherrett,2005
3. Ecological Footprinting,2001
4. Ecological Footprint and Biocapacit: The World’s Ability to Regenerate Resources and Absorb Waste in a Limited Time Period,2006