Joseph Rife and William L. Potter (eds.), "Further Evidence for the Use of Concrete in Ancient Harbor Construction" in entry published June 28, 2023, https://caesarea-maritima.org/bibl/J6VM62Z2David J.BlackmanFurther Evidence for the Use of Concrete in Ancient Harbor Constructionhttps://caesarea-maritima.org/bibl/J6VM62Z2https://www.zotero.org/groups/caesarea-maritima/items/J6VM62Z2https://www.zotero.org/groups/2320447/items/J6VM62Z2http://www.worldcat.org/oclc/468824159AvnerRabanKenneth GHolumCaesarea Maritima: A Retrospective after Two MilleniaLeidenBrill199641-49
  Blackman, David J. “Further Evidence for the Use of Concrete in Ancient Harbor Construction.” In Caesarea Maritima: A Retrospective after Two Millenia, edited by Avner Raban and Kenneth G Holum, 41–49. Leiden: Brill, 1996.
David J. Blackman, Further Evidence for the Use of Concrete in Ancient Harbor Construction, in Caesarea Maritima: A Retrospective after Two Millenia, ed. Avner Raban and Kenneth G Holum (Leiden: Brill, 1996), 41–49.