@article{articledc53667a,
title   = {A note on counting orientations},
author = {Kohayakawa, Yoshiharu and Mota, Guilherme Oliveira and Parente, Roberto Freitas},
year = {2011},
doi = {10.1016/j.endm.2011.05.002},
journal   = {Electronic Notes in Discrete Mathematics}
}