I've just found an extract with links for the  Wisconsin University/NIST PV=
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proposal, which is what page 41 of the magazine is 'lifted' from..

http://sel.me.wisc.edu/trnsys/downloads/trnsedapps/demos/pvsdhw.htm

Colin
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cdb, colin@btech-online.co.uk on 21/09/2013
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