00363nam a2200121Ia 4500082001900000100001800019245005900037260004300096300003100139490006100170500000500231700000500236  a519.5bW199.SR  aWalley, Peter  aStatistical researching with imprecise probabilitiesb  aLondonbChapman & Hall/CRC Pressc1991  axii, 706p. Index, Glossary  aMonographs on Statistics and Applied probabilityv v. 42  a  a