Frank Keenan David W. Bustard Namgyal Damdul David Connolly Building and Linking a Metaphor: Finding Value!. 210-211 2008 XP http://dx.doi.org/10.1007/978-3-540-68255-4_24 conf/xpu/2008 db/conf/xpu/xp2008.html#KeenanBDC08