Dairy farm hot water :
an economic evaluation of solar collectors vs. heat exchangers /
by Walter G. Heid, Jr. and Errol V. Williams.
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Item Link | Original Source |
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Limited (search only) no.640(1982) | University of Illinois at Urbana-Champaign |
Limited (search only) no.640(1982) | University of Illinois at Urbana-Champaign |