1. Energy savings by firms: decision-making, barriers and policies;De Groot;Energy Economics,2001
2. Industrial energy efficiency: the need for investment decision support from a manager perspective;Sandberg;Energy Policy,2003
3. Energy Information Administration, Annual Energy Review 2003, report no. DOE/EIA-0384, 2003, US Department of Energy, Washington, DC, 2004, see also: http://tonto.eia.doe.gov/bookshelf/.
4. Overcoming barriers to effective energy management in industrial settings;Brown,2003
5. Using ANSI/MSE 2000 to enhance energy productivity;Brown,2001