1. Aardal, K. I., van Hoesel, S. P. M., Koster, A. M. C. A., Mannino, C., & Sassano, A. (2003). Models and solution techniques for frequency assignment problems. 4OR, 1(4), 261–317.
2. Abrache, J., Crainic, T. G., & Gendreau, M. (2004). Design issues for combinatorial auctions. 4OR, 2(1), 1–33.
3. Altın, A., Fortz, B., Thorup, M., & Ümit, H. (2009). Intra-domain traffic engineering with shortest path routing protocols. 4OR, 7, 301–335.
4. Amaran, S., Sahinidis, N., Sharda, B., & Bury, S. (2014). Simulation optimization: A review of algorithms and applications. 4OR, 12, 301–333.
5. Baldacci, R., Toth, P., & Vigo, D. (2007). Recent advances in vehicle routing exact algorithms. 4OR, 5(4), 269–298.