TY  - GEN
AU  - Van Iwaarden, John L.        
AU  - Dershem,Herbert
TI  - Discrete structures: essential computer mathematics 
SN  - 0156015781
U1  - 004.0151 
PY  - 1988///
CY  - San Diego
PB  - Harcourt Brace Jovanovich
KW  - Computer science
KW  - Mathematics
N1  - Includes index; distributer: Al-Ahram; catalogued by: wessam
ER  -