1. Elevator traffic handbook;Barney,2003
2. Towards agreed traffic design definitions;Barney;Elev World,2005
3. BCO (2014) Guide to specification. British Council for Offices, London
4. Dynamic programming and optimal control;Bertsekas,2005
5. Closs G (1970) The computer control of passenger traffic in large lift systems. Ph.D. thesis, The Victoria University of Manchester, Institute of Science and Technology