@article{10_4153_CMB_1973_056_3,
     author = {Taylor, M. A.},
     title = {Cartesian {Nets} and {Groupoids}},
     journal = {Canadian mathematical bulletin},
     pages = {347--362},
     year = {1973},
     volume = {16},
     number = {3},
     doi = {10.4153/CMB-1973-056-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1973-056-3/}
}