The Story of the GeoToolKit - An Object-Oriented Geodatabase Kernel System. - Oleg T. Balovnev; Thomas Bode; Martin Breunig; Armin B. Cremers; Wolfgang Müller 006; Gleb Pogodaev; Serge S. Shumilov; Jörg Siebeck; Agemar Siehl; Andreas Thomsen (GeoInformatica, 2004)