000 00327nam a2200121Ia 4500
100 _aLester L. Helms
020 _a0-7167-3023-5
942 _cBK
245 _aIntroduction to probability theory : with contemporary applications
260 _aW.H.Freeman and Company, New York
_c1997
082 _a519.1 Hel
300 _axii,351p
999 _c24652
_d24652