@article{10_4153_CJM_1971_039_x,
     author = {Bruen, A.},
     title = {Partial {Spreads} and {Replaceable} {Nets}},
     journal = {Canadian journal of mathematics},
     pages = {381--391},
     year = {1971},
     volume = {23},
     number = {3},
     doi = {10.4153/CJM-1971-039-x},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1971-039-x/}
}