1. Mauro, R. and Cattani, M. (2004). Model to evaluate potential accident rate at roundabouts. Journal of Transportation Engineering, Volume 130, Issue 5, September 2004, (pp. 602-609), ISSN:;1; 0733947X, DOI: 10.1061/(ASCE)0733-947X(2004)130:5(602).
2. Mauro, R. and Branco, F. (2010). Comparative Analysis of Compact Multilane Roundabouts and Turbo- Roundabouts. Journal of Transportation Engineering, 136(4), (pp.316-322), ISSN:;1; 0733947X, doi: 10.1061/(ASCE)TE.;1; 1943-5436.0000106.
3. Guerrieri M. and Ticali D. (2011). Traffic calming benefits: case studies from Italy. XXIVth World Road Congress Mexico City, World Road Association (PIARC), 26-30 September 2011, ISBN 2-84060-267-9.
4. Fortuijn L.G.H. (2009). Turbo Roundabouts Design Principles and Safety Performance. CD-ROM. In 88th TRB Annual Meeting. Washington D.C. (United States).
5. Fortuijn L.G.H. (2009). Turbo Roundabouts: Estimation of Capacity. 88th TRB Annual Meeting. Washington D.C.