?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Nguyen%2C+Van+Thuan&rft.aulast=Nguyen&rft.aufirst=Van+Thuan&rft.volume=31&rft.date=2015&rft.atitle=Development+of+laser+beam+diffraction+technique+for+determination+of+thermal+expansion+coefficient+of+polymeric+thin+films&rft.title=VNU+J.+Sci.%3A+Mat.+%E2%80%93+Phys.&rft.pages=21-27&rft.genre=article