Marko Renčelj 
- (2016): Comparative Analysis of Four New Alternative Types of Roundabouts: "Turbo", "Flower", "Target" and "Four-Flyover" Roundabout. Dans: Periodica Polytechnica Civil Engineering, v. 60, n. 1 ( 2016).
- (2020): The newest public transport system applied to turbo roundabouts. Dans: Proceedings of the Institution of Civil Engineers - Engineering Sustainability, v. 173, n. 6 (septembre 2020).
- (2014): The Comparative analyse of the two new alternative types of roundabouts – turbo and flower roundabout. Dans: The Baltic Journal of Road and Bridge Engineering, v. 9, n. 2 (octobre 2014).
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