00304nam a2200109Ia 4500082002000000100004700020245002900067260003100096300002700127500000500154700003500159  a518.11bP485.EC  aPeterson, W. Wesley and Weldon, E. J. ,Jr.  aError-correcting codesb  aCambridgebMIT Pressc1972  axi, 560p. Index. Bibl.  a  aWeldon, E. J., Jr. ; jt. auth.