TY  - GEN
AU  - Levy, Leon S.
AU  - Laboratories Bell
AU  - J.Whippany N.
TI  - Discrete structures of computer science:  
SN  - 8122400612
U1  - 004 
PY  - 1980///
CY  - New Delhi
PB  - Wiley Easter Ltd
KW  - Comptuer Science
KW  - Data Processing
ER  -