00292nam a2200121Ia 4500082002000000100001800020245002600038260003100064300001500095490005000110500000500160700000500165  a519.54bW157.SA  aWald, Abraham  aSequential analysisb  aNew YorkbJohn Wileyc1957  axii, 212p.  aWiley publications in Mathematical Statistics  a  a