000 00298nam a2200109Ia 4500
999 _c15169
_d15169
020 _a0131950177
100 _aWilliam H Trotter
245 _aCrystal Clear COBOL: An Introduction to COBOL and Structured Programming
260 _c1989
_bPRENTICE HALL
_aNew Jersey
300 _axxix+687
942 _cREF