GEM - International Journal on Geomathematics
GEM - International Journal on Geomathematics > 2013 > 4 > 2 > 155-165
GEM - International Journal on Geomathematics > 2013 > 4 > 2 > 167-184
GEM - International Journal on Geomathematics > 2013 > 4 > 2 > 137-154
GEM - International Journal on Geomathematics > 2013 > 4 > 2 > 185-200
GEM - International Journal on Geomathematics > 2013 > 4 > 2 > 201-225
GEM - International Journal on Geomathematics > 2013 > 4 > 2 > 227-297