Sangwon Lee David Feng Cindy Grimm Bruce Gooch A Sketch-Based User Interface for Reconstructing Architectural Drawings. 81-90 2008 27 Comput. Graph. Forum 1 http://dx.doi.org/10.1111/j.1467-8659.2007.01098.x db/journals/cgf/cgf27.html#LeeFGG08