@article{10_1017_S0017089500004481,
     author = {Gillespie, T. A.},
     title = {Strongly closed bounded {Boolean} algebras of projections},
     journal = {Glasgow mathematical journal},
     pages = {73--75},
     year = {1981},
     volume = {22},
     number = {1},
     doi = {10.1017/S0017089500004481},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500004481/}
}