TY  - BOOK
AU  - Warford,J.Stanley
TI  - Computer science / 
SN  - 0669249769
U1  - 004 
PY  - 1991///.
CY  - Lexington, Massachusetts : 
PB  - D. C. Heath and Company, 
KW  - Computer science
N1  - Includes bibliographical references
ER  -