@article{JRAM_1977__296_151930,
     author = {J.L. Hickman},
     title = {Quasi-minimal posets and lattices.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {10--13},
     year = {1977},
     volume = {296},
     zbl = {0359.06003},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1977__296_151930/}
}