@article{10_1017_S0017089500009794,
     author = {Catalan, F. X. and Tweddle, I.},
     title = {Countable enlargements of norm topologies and the quasidistinguished property},
     journal = {Glasgow mathematical journal},
     pages = {235--238},
     year = {1993},
     volume = {35},
     number = {2},
     doi = {10.1017/S0017089500009794},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500009794/}
}