> Verlagsreihe
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13:
Geographic information systems for geoscientists modelling with GIS Graeme F. Bonham-Carter
Kidlington [u.a.]: Pergamon, 1996
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10:
Contouring a guide to the analysis and display of spatial data ; (with programs on diskette) David F. Watson
Oxford [u.a.]: Pergamon, 1994