@article{LuzSkr15,
   author = {Lu\v{z}ar, B. and \v{S}krekovski, R.},
   title = {Counterexamples to a conjecture on injective colorings},
   journal = {Ars Math. Contemp.},
   volume = {8},
   number = {2},
   pages = {291--295},
   url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84943269623&partnerID=MN8TOARS},
   year = {2015}
}