TY  - DATA
AU  - Cherlin, Gregory L.
TI  - The classification of countable homogeneous directed graphs and countable homogeneous n-tournaments 
T2  - Memoirs of the American Mathematical Society, 
SN  - 9781470402105 (online)
PY  - 1998///
CY  - Providence, R.I.
PB  - American Mathematical Society
UR  - http://www.ams.org/memo/0621
ER  -