Anonymous. "Translucent concrete developed in Europe." Civil Engineering : Magazine of the South African Institution of Civil Engineering. Yeoville: Oct 2005. Vol. 13, Iss. 10; p. 27. Source type: Periodical. ISSN1021-2000. ProQuest document ID: 958844411. Text Word Count 340. Document URL: [1] (Proquest: subscription required). retrieved Dec. 22, 2006
Anonymous. "Translucent concrete developed in Europe." Civil Engineering : Magazine of the South African Institution of Civil Engineering. Yeoville: Oct 2005. Vol. 13, Iss. 10; p. 27. Source type: Periodical. ISSN1021-2000. ProQuest document ID: 958844411. Text Word Count 340. Document URL: [1] (Proquest: subscription required). retrieved Dec. 22, 2006