%0 Conference Paper %A Elmer Morrissey %A James O'Donnell %A Marcus Keane %A Vladimir Bazjanac %B SimBuild 2004 1st International Conference of IBPSA-USA %C Boulder, Colorado, USA %D 2004 %G eng %T Specification of IFC Based Performance Metrics to Support Building Life Cycle Analysis of Hybrid Energy Systems %8 08/2004