000 00302nam a2200109 u 4500
005 20210219155806.0
008 070926s2004 r 000 0 eng d
035 _aUPN01000152356
245 0 0 _aA class over time (probability) /
_cPBSMATHLINE.
260 _a[S.l.]. :
_bPBSMATHLINE,
_c[s.a.].
905 _aAu
999 _c124479
_d124479