van Giersbergen, N. P. A., & Dannenburg, D. R. (1996). An application of the bootstrap method to Buhlmann's classical credibility model. Mitteilungen der Vereinigung Schweizerischer Versicherungsmathematiker, 183-196.
van Giersbergen, N. P. A., & Kiviet, J. F. (1996). Bootstrapping a stable AD model; weak versus strong exogeneity. (TI discussion paper; No. 96-4/7). Tinbergen Institute.