@article{10_1017_S0017089500001580,
     author = {Knight, C. J.},
     title = {Compactness and ordinals},
     journal = {Glasgow mathematical journal},
     pages = {153--158},
     year = {1972},
     volume = {13},
     number = {2},
     doi = {10.1017/S0017089500001580},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500001580/}
}