TY  - BOOK
AU  - Ashley,Ruth
AU  - Fernandez,Judi N.
TI  - Tape and disk files: Cobol book 3 
SN  - 0471871842 (soft) :
AV  - QA76.9.F5 A84 1984
U1  - 001.64 19
PY  - 1984///
CY  - New York
PB  - Wiley
KW  - File organization (Computer science)
KW  - COBOL (Computer program language)
KW  - Data tapes
KW  - Data disk drives
N1  - Includes index
ER  -