GEM - International Journal on Geomathematics
GEM - International Journal on Geomathematics > 2011 > 1 > 2 > 167-204
GEM - International Journal on Geomathematics > 2012 > 3 > 2 > 179-208
GEM - International Journal on Geomathematics > 2011 > 1 > 2 > 167-204
GEM - International Journal on Geomathematics > 2012 > 3 > 2 > 179-208