Raymond G. Van De Walker writes:
> I'd love to see a reference on these.
Well, there is not much on the web. Efficiency is not the primarily
goal: integrated cost of operation/produced W over the lifetime are.
Kraut: http://www.hmi.de/bereiche/F/ag_solar/tandem.html
http://www.jjap.or.jp/s_contents/S32-3.html
http://www.pv.unsw.edu.au/eff/
Just ask your engine for CuInSe. Raw hit content <200, and you can
always refine.