1. Commentary on the utility of the ecological footprint concept;Ayres;Ecol. Econ.,2000
2. Emergy of Florida Agriculture. Folio No. 4 of Handbook of Emergy Evaluation;Brandt-Williams,2002
3. EMergy analysis perspectives of Thailand and Mekong River dam proposals;Brown;Ecol. Model.,1996
4. Emergy-based indices and ratios to evaluate sustanability: monitoring economies and technology toward environmentally sound innovation;Brown;Ecol. Eng.,1997
5. Emergy of Ecosystems. Folio No. 3 of Handbook of Emergy Evaluation;Brown,2001