?url_ver=Z39.88-2004&rft_id=10.4028%2Fwww.scientific.net%2FDDF.380.227&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Bel%2C+T.&rft.aulast=Bel&rft.aufirst=T.&rft.pages=227-231&rft.atitle=Investigation+of+the+bubble+effect+in+lightweight+PMMA+polymer&rft.volume=380&rft.issn=10120386&rft.date=2017&rft.title=Defect+and+Diffusion+Forum&rft.genre=article