00583pamaa2200181 4500 0000012357 20100429090000.0 0139601546 005.16 HAY QA76.76.S64 HAY 1998 HAYES The Year 2000 software crisis : the continuing challenge Ian S. Hayes and William M. Ulrich. New Jersey: Yourdon Press, 1998. xxv, 452p.: 24cm. Yourdon press computing series Software maintenance Year 2000 date conversion (Computer systems) Ulrich, William M.