@article{DMGAA_2002_22_1_a1,
     author = {Pi\'oro, Konrad},
     title = {On some finite groupoids with distributive subgroupoid lattices},
     journal = {Discussiones Mathematicae. General Algebra and Applications},
     pages = {25--31},
     publisher = {mathdoc},
     volume = {22},
     number = {1},
     year = {2002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGAA_2002_22_1_a1/}
}