00249nam a2200097Ia 4500080001900000100002200019245003500041260004500076300001100121583001900132  a19.01.07 S6185  aSippl, Charles J.  aData communications dictionary  bVan North and ReinholdaNew YorkUSc1976  a545 p.  c3/7/00kM2LMGR