?url_ver=Z39.88-2004&rft_id=10.1007%2F978-981-99-6018-7%E2%82%81%E2%82%80&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Yan%2C+X.&rft.aulast=Yan&rft.aufirst=X.&rft.title=Lecture+Notes+in+Civil+Engineering&rft.date=2024&rft.isbn=9789819960170&rft.volume=385&rft.issn=23662557&rft.pages=133-149&rft.atitle=Effect+of+Hollow+Bodies+on+the+Strength+and+Density+of+Bubble+Concrete&rft.genre=article