1. Terawatt-scale photovoltaics: trajectories and challenges;Haegel;Sci. (80-.),2017
2. Solar cell efficiency tables (version 50);Green;Prog. Photovolt. Res. Appl.,2017
3. Exclusive: first Solar's CTO Discusses Record 18.6% Efficient Thin-Film Module;Eric,2015
4. S.K.David. Brady, Steve Haymore, First Solar, INC. Announces First Quarter 2014 Financial Results, Tempe, AZ, 2014.
5. S.K.Steve. Haymore, First Solar, Inc., 2016 First Quarter Financial Results, Tempe, AZ, 2016.