Lee J. Bain and Max Engelhardt.
Introduction to Probability and Mathematical Statistics.
Duxbury Press, 1992.

Bibtex:

@Book{           bain:1992:IPMS,
  author = 	 "Lee J. Bain and Max Engelhardt",
  title = 	 "Introduction to Probability and Mathematical
                  Statistics",
  publisher = 	 "Duxbury Press",
  year = 	 "1992",
}