@article{DMGT_2014_34_2_a9,
     author = {Park, Jeongmi and Sano, Yoshio},
     title = {The niche graphs of interval orders},
     journal = {Discussiones Mathematicae. Graph Theory},
     pages = {353--359},
     publisher = {mathdoc},
     volume = {34},
     number = {2},
     year = {2014},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGT_2014_34_2_a9/}
}