00291nam a2200121Ia 4500082002100000100001500021245002100036260002600057300001300083490006300096500000500159700000500164  a519.287bC877.RT  aCox, D. R.  aRenewal theoryb  aLondonbMethuenc1970  ax, 142p.  aMethuen's monographs on Applied Probability and Statistics  a  a