?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=P.%2C+D.H.+Yen&rft.aulast=P.&rft.aufirst=D.H.+Yen&rft.issue=7&rft.volume=18&rft.date=2015&rft.atitle=Estimation+of+Valence+Distribution+in+Perovskites+using+the+Bond+Valence+Method&rft.title=Information&rft.pages=2917-2926&rft.genre=article