APA
Eichhorn D., .Land information systems: invited papers and discussion during the Symposium of the Federation des Geometres (FIG) 1978, October 16-21st. : Technical University of Darmstadt.
Chicago
Eichhorn D.G, .Land information systems: invited papers and discussion during the Symposium of the Federation des Geometres (FIG) 1978, October 16-21st. : Technical University of Darmstadt.
Harvard
Eichhorn D., .Land information systems: invited papers and discussion during the Symposium of the Federation des Geometres (FIG) 1978, October 16-21st. : Technical University of Darmstadt.
MLA
Eichhorn D.G, .: Technical University of Darmstadt. .
