@article{10_4153_CMB_1981_038_9,
     author = {Herrmann, Christian},
     title = {A {Finitely} {Generated} {Modular} {Ortholattice}},
     journal = {Canadian mathematical bulletin},
     pages = {241--243},
     year = {1981},
     volume = {24},
     number = {2},
     doi = {10.4153/CMB-1981-038-9},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1981-038-9/}
}