?url_ver=Z39.88-2004&rft_id=10.1109%2FICCOINS.2014.6868400&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=J.&rft.aulast=Okitsu&rft.au=Okitsu%2C+J.&rft.isbn=9781479943913&rft.title=Root+cause+analysis+on+changes+in+chiller+performance+using+linear+regression&rft.date=2014&rft.genre=proceeding