International Workshop on Advanced Research in Geographic Information Systems, Ascona, Switzerland, & Nievergelt, J. (1994). IGIS '94-- geographic information systems: International Workshop on Advanced Research in Geographic Information Systems, Monte Verita, Ascona, Switzerland, February/March, 1994 : proceedings. Springer-Verlag.
Style de citation Chicago (17e éd.)International Workshop on Advanced Research in Geographic Information Systems, Ascona, Switzerland, et Jurg Nievergelt. IGIS '94-- Geographic Information Systems: International Workshop on Advanced Research in Geographic Information Systems, Monte Verita, Ascona, Switzerland, February/March, 1994 : Proceedings. Berlin ; New York: Springer-Verlag, 1994.
Style de citation MLA (8e éd.)International Workshop on Advanced Research in Geographic Information Systems, Ascona, Switzerland, et Jurg Nievergelt. IGIS '94-- Geographic Information Systems: International Workshop on Advanced Research in Geographic Information Systems, Monte Verita, Ascona, Switzerland, February/March, 1994 : Proceedings. Springer-Verlag, 1994.