1. [Barnhart 97a] Barnhart, C., Boland, N.L., Clarke, L.W., and Shenoi, R.G.: Flight String Models for Aircraft Fleeting and Routing, http://tli.ISyE.gatech.edu , Vol. LEC9701. pdf, (1997)
2. [Barnhart 97b] Barnhart, C., Lu, F., and Schenoi, R.: Operations Research in the Airline Industry, chapter 13, Integrated Airline Schedule Planning, Kluwer Academic Publishers (1997).
3. The Aircraft Maintenance Routing Problem