@article{CTGDC_2011__52_3_188_0,
     author = {Brown, Ronald and Street, Ross},
     title = {Covering morphisms of crossed complexes and of cubical omega-groupoids are closed under tensor product},
     journal = {Cahiers de Topologie et G\'eom\'etrie Diff\'erentielle Cat\'egoriques},
     eid = {2},
     pages = {188--208},
     publisher = {Andr\'ee CHARLES EHRESMANN},
     volume = {52},
     number = {3},
     year = {2011},
     mrnumber = {2866503},
     zbl = {1242.18004},
     language = {en},
     url = {http://www.numdam.org/item/CTGDC_2011__52_3_188_0/}
}