The American Concrete Institute is seeking submissions for sessions taking place during its Fall 2010 Convention in Pittsburgh, Pa., Oct. 24-28. ACI Committee 124, Concrete Aesthetics, and the ACI Pittsburgh Area Chapter seek submissions of notable concrete in the Pittsburgh area. ACI Committee 123, Research and Current Developments, seeks papers for the technical sessions “Research in Progress” and “Open Paper Session.” ? www.CallforPapers.concrete.org