@article{10_4064_cm95_2_7,
     author = {M. De Falco and F. de Giovanni and C. Musella and R. Schmidt},
     title = {Groups with metamodular subgroup lattice},
     journal = {Colloquium Mathematicum},
     pages = {231--240},
     publisher = {mathdoc},
     volume = {95},
     number = {2},
     year = {2003},
     doi = {10.4064/cm95-2-7},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm95-2-7/}
}