@article{10_2140_agt_2015_15_1599,
     author = {Hildum, Alyson},
     title = {The minimum b2 problem for right-angled {Artin} groups},
     journal = {Algebraic and Geometric Topology},
     pages = {1599--1641},
     year = {2015},
     volume = {15},
     number = {3},
     doi = {10.2140/agt.2015.15.1599},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2015.15.1599/}
}