Journal article (2007) - RJ Fox (author), SC Davis (author), J Grate (author), J Gruber (author), JC Whitman (author), R.A. Sheldon (author), GW Huisman (author), EC Mundorff (author), LM Newman (author), V Gavrilovic (author), SK Ma (author), LM Chung (author), C Ching (author), S Tam (author), S Muley (author)