TY  - BOOK
AU  - Levy,Leon S..
TI  - Discrete structures of computer science / 
SN  - 8122400906
U1  - 004 
PY  - 1980///(rep.1990)
CY  - New Delhi : 
PB  - Wiley Eastern , 
KW  - COMPUTER SCIENCE
N1  - NULL
ER  -