TY  - BOOK
AU  - Cassel, Don,
AU  - Jackson, Martin,
ED  - 
ED  - 
ED  - 
ED  - 
SN  - 083593151X
SN  - 2
PY  - 1980///];copyright 198046
CY  - Reston, VA
PB  - Reston Publishing
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Computers.;Electronic data processing
N1  - Includes bibliographies and index; 5
ER  -