2011, Article in monograph or in proceedings (37th IEEE Photovoltair Specialist Conference, Washington State Convention Center, Seattle, Washington, June 19-24, 2011, pp. 002262-002267)
2010, Article in monograph or in proceedings (35th IEEE Photovoltaic Specialists Conference, Hawaiian Convention Center Honolulu, Hawaii, June 20-25, 2010. Conference Proceedings, pp. 002002-002006)
2010, Article in monograph or in proceedings (35th IEEE Photovoltaic Specialists Conference, Hawaiian Convention Center Honolulu, Hawaii, June 20-25, 2010. Conference Proceedings, pp. 001243-001247)