00262nam a2200109Ia 4500082001900000100002600019245003000045260003400075300001300109500000500122700002500127  a519.2bL668.EP  aLevy, H. and Roth, L.  aElements of probabilityb  aOxfordbClarendon Pressc1936  ax, 200p.  a  aRoth, L. ; jt. auth.