Hellenic Geodetic Reference System 1987 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Hellenic Geodetic Reference System 1987" in English language version.

refsWebsite

Global rank English rank

low place

low place

osgeo.org

download.osgeo.org

Gerald I. Evenden (24 September 1995). Cartographic Projection Procedures for the UNIX Environment - A User's Manual. p. 67. Retrieved March 20, 2012.