Pilot beverage cartons : extended technical report / dr. E.U. Thoden van Velzen, Ir. M.T. Brouwer, Ir. E. Keijsers, prof. dr. Th. Pretz, dr. A. Feil, dipl-ing. M. JansenPilot beverage carton collection and recycling 2013 : concise technical report / dr. E.U. Thoden van Velzen, Ir. M.T. Brouwer, Ir. E. Keijsers, prof. dr. Th. Pretz, dr. A. Feil, dipl-ing. M. JansenAanvullende rapportage pilot drankenkartons : terugslageffecten bij gecombineerde inzameling van kunststof en drankenkartons / dr. E.U. Thoden van Velzen, Ir. M.T. Brouwer, prof. dr. Th. Pretz, dipl.-ing. M. JansenHandbook for sorting of plastic packaging waste concentrates : separation efficiencies of common plastic packaging objects in widely used separaion machines at existing sorting facilities with mixed postconsumer plastic packaging waste as input / Michael Jansen, Ulphard Thoden van Velzen, Thomas Pretz