1. Global Wind Energy Council: ‘Latest news: global wind energy markets continue to boom – 2006 another record year’, 2006, available at http://www.gwec.net/index.php?id=30&no_cache=1&tx_ttnews[pointer]=1&tx_ttnews[tt_news]=50&tx_ttnews[backPid]=4&cHash=e42cb8b763, accessed 14 May 2007
2. Bibliography on the application of induction generators in nonconventional energy systems
3. Three-Phase Self-Excited Induction Generators: An Overview
4. Simoes, M.G., and Farret, F.A.: ‘Renewable energy systems: design and analysis with induction generators’, (CRC Press, New York, USA 2004)