000 00268nam a22001097a 4500
082 _a001.64
_bAST
100 _aAshley , Ruth
_9386
245 _aTape and disk files
_b: COBOL 3
_cRuth Ashley
260 _aNew York:
_bJohn Wiley ,
_c1984
300 _a267 p.
942 _cBK
999 _c155213
_d155213