Leonard W. Bell

Writing Specifications For Architectural Concrete

Leonard W. Bell, 1996 .

Standard Practice for Selecting Proportions for Structural Lightweight Concrete (ACI 211.2-98)

Michael J. Boyle, Robert L. Yuan, Leonard W. Bell, 1998 .

Guide for Selecting Proportions for High-Strength Concrete with Portland Cement and Fly Ash Reported by ACI Committee 211

Tarif M. Jaber, Leonard W. Bell, Gary R. Mass, 1997 .

Standard Practice for Selecting Proportions for Normal , Heavyweight , and Mass Concrete ( ACI 211 . 191 ) Reported by ACI Committee 211

Edward A. Abdun-Nur, Tarif M. Jaber, Leonard W. Bell, 1997 .

CHEMICAL ADMIXTURES FOR CONCRETE

Leonard W. Bell, P. Tikalsky, J. H. Rose, 1999 .