@article{10_4153_CMB_1980_063_6,
     author = {Abbott, H. L. and Liu, A. C.},
     title = {On {Property} {B} of {Families} of {Sets}},
     journal = {Canadian mathematical bulletin},
     pages = {429--435},
     year = {1980},
     volume = {23},
     number = {4},
     doi = {10.4153/CMB-1980-063-6},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1980-063-6/}
}