Nonparametric adaptive opportunity-based age replacement strategies. - Pauline Coolen-Schrijner; Frank P. A. Coolen; S. C. Shaw (J. Oper. Res. Soc., 2006)

Opportunity-based age replacement with a one-cycle criterion. - Pauline Coolen-Schrijner; S. C. Shaw; Frank P. A. Coolen (J. Oper. Res. Soc., 2009)