TY  - BOOK
AU  - Townsend micheal 
TI  - Discrete mathematics: applied combinatories and graph theory
SN  - 0805393552
AV  - QA39.2.T67 1987 
PY  - 1987///
CY  - Canada
PB  - The benjamin/cummings 
KW  - Mathematics
KW  - Electronic data processing
KW  - Combinatorial analysis
ER  -