@article{10_2140_agt_2015_15_2393,
     author = {Holm, Tara S and Pires, Ana Rita},
     title = {The fundamental group and {Betti} numbers of toric origami manifolds},
     journal = {Algebraic and Geometric Topology},
     pages = {2393--2425},
     year = {2015},
     volume = {15},
     number = {4},
     doi = {10.2140/agt.2015.15.2393},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2015.15.2393/}
}