Determining simplicity and computing topological change in strongly normal partial tilings of R2 or R3.

Punam K. Saha Azriel Rosenfeld Determining simplicity and computing topological change in strongly normal partial tilings of R2 or R3. 105-118 2000 33 Pattern Recognition 1 http://dx.doi.org/10.1016/S0031-3203(99)00037-0 db/journals/pr/pr33.html#SahaR00