1. Akkari A. Izevbekhai B. and Siekmeier J. (2012). "2011 MnRPAD Mainline Concrete Construction: Cells 5 6 and 63." MN/RC 2012-37 Minnesota Department of Transportation St. Paul MN.
2. Barenberg E.J. and Petros K.A. (1991). "Evaluation of concrete pavements using NDT Results." Project IHR-512 Final Report Univ. of Illinois Champaign IL.
3. Ceylan H. (2002). "Analysis and Design of Concrete Pavement Systems Using Artificial Neural Networks." Ph.D. Dissertation University of Illinois Urbana IL.
4. Ceylan H. Gopalakrishnan K. Kim S. and Steffes R.F. (2013). "Evaluating Roadway Subsurface Drainage Practices." Technical Report IHRB Project TR643 Iowa Department of Transportation Ames IA.