Ninth Canmet Aci International Conference on Fly Ash Silica Fume Slag and Natural Pozzolans in Concrete Held in Warsaw Poland May 20-25, 2007 - Farmington Hills,Mi : American Concrete Institute, c2007 - VIII, 542 p. : ill - Sp ; No. 242 . Includes Bibliographical References and Index ISBN: 9780870312410 ISSN: Subjects--Topical Terms: Concrete CongressesFly Ash CongressesSilica Congresses Dewey Class. No.: 620.136 / NIN