TY  - BOOK
AU  - Liu,C.L.
TI  - Elements of discrete mathematics
T2  - McGraw-Hill computer science series
SN  - 0070381313
AV  - QA164 .L57
U1  - 511 
PY  - 1977///
CY  - New York
PB  - McGraw-Hill
KW  - Combinatorial analysis
KW  - Local
KW  - Algebra, Abstract
N1  - Includes bibliographies and index
ER  -