RT Conference Proceedings SR 00 A1 Stehouwer, H.P. A1 Aarts, E.H.L. A1 Wessels, J. T1 Multi-layered perceptions for on-line lot sizing YR 1995 T2 Proceedings of the INRIA/IEEE Symposium on Emerging Technologies and Factory Automation, Vol. 3 AV Published LK https://pure.iiasa.ac.at/id/eprint/4428/