Sazzadul Alam Sandro Boccuzzo Richard Wettel Philippe Dugerdil Harald Gall Michele Lanza EvoSpaces - Multi-dimensional Navigation Spaces for Software Evolution. 167-192 2009 Human Machine Interaction http://dx.doi.org/10.1007/978-3-642-00437-7_7 series/lncs/5440 db/series/lncs/lncs5440.html#AlamBWDGL09