The following publications are possibly variants of this publication:
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- Integrating procedural generation and manual editing of virtual worldsRuben Smelik, Tim Tutenel, Klaas Jan de Kraker, Rafael Bidarra. fdg 2010: [doi]
- Semantic constraints for procedural generation of virtual worldsRuben Smelik, Krzysztof Galka, Klaas Jan de Kraker, Frido Kuijper, Rafael Bidarra. fdg 2011: [doi]
- Interactive Creation of Virtual Worlds Using Procedural SketchingRuben Michaël Smelik, Tim Tutenel, Klaas Jan de Kraker, Rafael Bidarra. eurographics 2010: 29-32 [doi]
- A declarative approach to procedural modeling of virtual worldsRuben Michaël Smelik, Tim Tutenel, Klaas Jan de Kraker, Rafael Bidarra. cg, 35(2):352-363, 2011. [doi]