1. Wall G., Exergy—a useful concept within resource accounting, Institute of Theoretical Physics, Göteborg, Report No. 77-42, 1977, 58 p., ISBN 99-1767571-X and 99-0342612-7, http://www.exergy.se/ftp/paper1.pdf
2. Minimization of the consumption of natural resources;Szargut;Bull. Polish Acad. Sci. Technical Sci.,1978
3. Depletion of unrestorable natural exergy resources;Szargut;Bull. Polish Acad. Sci. Technical Sci.,1997
4. Exergy, ecology and democracy—concepts of a vital society;Wall,1993
5. Exergy Loss: A Basis for Energy Ta- xing;Hirs,1994