1. Airspace complexity and its application in air traffic management;Sridhar,1998
2. Developing a generic metric of terminal airspace traffic complexity;Netjasov;Transportmetrica,2011
3. Dynamic density and complexity metrics for realtime traffic flow management;Masalonis,2003
4. Investigating complexity factors in UK air traffic management;Kirwan;Hum. Factors Aerosp. Saf.,2001
5. Air traffic complexity map based on non linear dynamical systems;Delahaye;Air Traffic Control Q.,2004