A polyhedral approach to the delivery man problem / C.A. van EijlOn the discrete lot-sizing and scheduling problem with Wagner-Whitin costs / C.A. van Eijl, C.P.M. van HoeselOn the discrete lot-sizing and scheduling problem with Wagner-Whitin costs / C.A. van Eijl, C.P.M. van HoeselA polyhedral approach to the discrete lot-sizing and scheduling problem / Cleola Angelina van EijlOn the discrete lot-sizing and scheduling problem with Wagner-Whitin costs / C.A. van Eijl, C.P.M. van Hoesel