Coordinated planning of preventive maintenance in hierarchical production systems / G. van Dijkhuizen en A. van HartenMaintenance meets production : on the ups and downs of a repairable system / Gerhard Christiaan van DijkhuizenCoordinated production maintenance planning in airline flight schedule development / G. van DijkhuizenMaintenance meets production : on the ups and downs of a repairable system / Gerhard Christiaan van DijkhuizenIntegratie van productie- en onderhoudsmanagement / G.C. van Dijkhuizen, A. van Harten