Northward market extension for passive solar water heaters by using pipe freeze protection with freeze-tolerant piping [electronic resource] : preprint / J. Burch ... [et al.].
Imprint
Golden, CO : National Renewable Energy Laboratory, [2006]
Mode of access: Internet from the NREL web site. Address as of 8/24/07: http://www.nrel.gov/docs/fy06osti/39664.pdf; current access available via PURL.
Note
Title from title screen (viewed on Aug. 24, 2007).
