TY  - BOOK
AU  - Fishburn, Peter C.
TI  - Interval orders and interval graphs: : a study of partially ordered sets 
T2  - Wiley interscience series in discrete Mathematics
SN  - 0471812846
U1  - 511.5 
PY  - 1985///
CY  - New York
PB  - John Wiley
ER  -