@article{10_2140_agt_2017_17_917, author = {Johnson-Freyd, Theo}, title = {Spin, statistics, orientations, unitarity}, journal = {Algebraic and Geometric Topology}, pages = {917--956}, year = {2017}, volume = {17}, number = {2}, doi = {10.2140/agt.2017.17.917}, url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2017.17.917/} }