TY  - BOOK
AU  - Ringeisen, Richard D.
AU  - Roberts, Fred S.
TI  - Appliction of discrete mathematics
SN  - 0-89871-219-X
U1  - 519.1/.8 
PY  - 1988///
CY  - Philadelphia
PB  - Siam
KW  - Discrete mathematics
ER  -