Parkinson, S., P. Gregory, A. Longstaff, and A. Crampton. “Automated Planning for Multi-Objective Machine Tool Calibration: Optimising Makespan and Measurement Uncertainty”. Proceedings of the International Conference on Automated Planning and Scheduling, vol. 24, no. 1, May 2014, pp. 421-9, doi:10.1609/icaps.v24i1.13662.