Pascal Lienhardt Xavier Skapin Antoine Bergey Cartesian Product Of Simplicial And Cellular Structures. 115-159 2004 14 Int. J. Comput. Geometry Appl. 3 http://dx.doi.org/10.1142/S0218195904001408 db/journals/ijcga/ijcga14.html#LienhardtSB04