00249nam a2200121Ia 4500082001700000100002500017245001900042250000800061260002800069300002000097500000500117700000500122  a514bV128.ST  aVaidyanath-Swamy, R.  aSet topologyb  a2nd  aNew YorkbChelseac1960  avi, 304p. Index  a  a