00330nam a2200109 a 450000500170000008200190001710000210003624500610005726000340011830000270015263000410017920251202164127.0  a001.6424CbMCC  aMccalla, Richard  aStructured COBOL programming and data-processing methods  aCaliforniabBrooks/Colec1985  axxii,434p.b22 cm.cPB  aCOBOL, Computer programming language