Idea and realisation
project management
Wolfgang Sandner
GEOhaus am Markt
Mülheim / Ruhr
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Software engineering and BAiliFF®
Andreas Polivka
MEßbILD g&u
Mülheim / Ruhr
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Database and server programming
Jörg Horlitz
Düsseldorf
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Webdesign and GEOnotice®
Ramona Horlitz
Blumenwiese Webdesign
Düsseldorf
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Intranet and ledger
Dieter Schatz
Software Service
Wuppertal
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