@article {1807.01931, archivePrefix = {arXiv}, eprint = {1807.01931}, primaryClass = {math.AT}, author = {Tseleung So}, title = {Homotopy types of $SU(n)$-gauge groups over non-spin 4-manifolds}, year = {2018}, url = {http://arxiv.org/abs/1807.01931} }