TY  - BOOK
AU  - LIU, C.L.
TI  - Elements of Discrete Mathematics: Elements of Discrete Mathematics._2nd Ed, New Delhi : Tata Mc Graw-Hill, 2000
U1  - 510 
PY  - 2000///
CY  - New Delhi
PB  - Tata Mc Graw-Hill
ER  -