@article{10_4153_CMB_1970_030_0,
     author = {Gr\"atzer, G. and Wolk, B.},
     title = {Finite {Projective} {Distributive} {Lattices}},
     journal = {Canadian mathematical bulletin},
     pages = {139--140},
     year = {1970},
     volume = {13},
     number = {1},
     doi = {10.4153/CMB-1970-030-0},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1970-030-0/}
}