Kevin Lewis

Environmental Footprint and Sustainability of Horticulture (including Potatoes) – A Comparison with other Agricultural Sectors. Final report produced for the Department for Environment, Food and Rural Affairs (Defra) UK

Wyn Grant, Chris Firth, Ulrich Schmutz, 2007 .

A research agenda for improving national Ecological Footprint accounts

Manfred Lenzen, Yoshihiko Wada, Thomas Wiedmann, 2009 .

The use of material flow analysis and the ecological footprint in regional policy-making: application and insights from Northern Ireland

Craig T. Simmons, Kevin Lewis, R. Curry, 2011 .