@article {, title = {the WEND Concept for Worldwide ENC Database - Past or Future: A Review of Progress and a Look to the Future}, volume = {8}, year = {2007}, pages = {73-79}, publisher = {Geomatics Information \& Trading Center - GITC}, address = {Lemmers, Amsterdam, The Netherlands}, keywords = {Other}, author = {Hecht, H and Kampfer, A and Alexander, Lee} }