24 Oct 2001 / pp. 133-154 in: Mathematical Statistics and Applications: Festschrift for Constance van Eeden. Eds: M. Moore, S. Froda and C. Léger. IMS Lecture Notes -- Monograph Series, Volume 42 (2003). Institute of Mathematical Statistics. Beachwood, Ohio
28 Feb 2002 / in Fundamental Aspects of Quantum Physics, L. Accardi and S. Tasaki eds., Quantum Probability and White Noise Analysis, Vol. 17, p. 197 (2003)
22 Feb 2002 / in Fundamental Aspects of Quantum Physics, L. Accardi and S. Tasaki eds., Quantum Probability and White Noise Analysis, Vol. 17, p. 222 (2003)