Approximations to the Lifetime Distribution of k-Out-of-n Systems with Cold Standby. - Dirk P. Kroese; Wilbert C. M. Kallenberg (Math. Oper. Res., 1989)

Test Regions Using Two or More Correlated Product Characteristics. - Willem Albers; Gerda R. J. Arts; Wilbert C. M. Kallenberg (Technometrics, 1999)