TY  - JOUR
AU  - Vida Dujmović
AU  - Pat Morin
TI  - On obstacle numbers
JO  - The electronic journal of combinatorics
PY  - 2015
VL  - 22
IS  - 3
UR  - http://geodesic.mathdoc.fr/articles/10.37236/4373/
DO  - 10.37236/4373
ID  - 10_37236_4373
ER  -