An inventory model: What is the influence of the shape of the lead time demand distribution? - Ruud M. J. Heuts; J. T. H. C. van Lieshout; K. Baken (Z. Oper. Research, 1986)

The impact of data collection on fill rate performance in the (R, s, Q) inventory model. - Fred Janssen; Ruud M. J. Heuts; Ton de Kok (J. Oper. Res. Soc., 1999)

A combined forecast - inventory control procedure for spare parts. - Leo W. G. Strijbosch; Ruud M. J. Heuts; E. H. M. van der Schoot (J. Oper. Res. Soc., 2000)