?url_ver=Z39.88-2004&rft_id=10.1109%2FISESEE.2011.5977120&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=P.&rft.au=Sunderan%2C+P.&rft.aulast=Sunderan&rft.date=2011&rft.title=Techno-economic+analysis+of+an+off-grid+photovoltaic+natural+gas+power+system+for+a+university&rft.isbn=9781457703423&rft.genre=proceeding