1. J. M. Aalto, A. Jaaksi. Object-Oriented Development of Interactive Systems with OMT++. R. Ege, M. Singh, B. Meyer, editors, TOOLS 14, Technology of Object-Oriented Languages & Systems, Prentice Hall, 1994.
2. N. Ashford, H. P. M. and C. A. Moore. Airport Operation. John Wiley & Sons, Inc, 1984.
3. Robert P. Brazile, K. M. Swigger. GATES: An airline gate assignment and tracking expert system. IEEE Expert, 3(2):33–39, 1988.
4. Booch, Grady; Rumbaugh, James; Jacobson, Ivar. The Unified Modeling Language User Guide. Addison-Wesley object technology series, Addison-Wesley Longman, Inc, Massachusetts, 1999.
5. Gosling, G. D. Design of an Expert System for Aircraft Gate Assignment. Transp. Res.-A, Vol. 24a, No. 1, 1990.