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Last updated: July 14, 2013
- August 2008: On-line recording of solar cooker use rate by a novel metering device: Prototype description and experimental veriﬁcation of output data - Michael Grupp, et all
- July 2006: Discussion of Different Measures to Monitor and Boost the Use of Solar Cookers in Developing Countries - Michael Grupp
- March 1999: Moving Ahead with Solar Cookers - Michael Grupp, et all