URL: www.maporama.com
URL: home.hiwaay.net/~taylorc/toolbox/geography/geoutm.html
URL: www.geo-post.ch/PDF_GP/MN%20Europe.pdf
URL: www.navteq-connections.com
URL: coverage.digi-map.de/?lang=en
URL: ocean.csl.co.uk/experimental/index.php
URL: hypnos.cbs.umn.edu/tutorial
