Rizwan Akram Utilization of Fly Ash and Rice Husk Ash As High Volume Replacement of Cement [MS Thesis] / Rizwan Akram - Risalpur : National Institute of Transportation, 2006 - ix, 33p. : ill, pics . ; 30 cm CD Subjects--Topical Terms: Structural Engineering Dewey Class. No.: 624.17 AKR