@article{ELA_2009__18__a45,
     author = {Johnson, Charles R. and Negron, Cris},
     title = {Totally positive completions for monotonically labeled block clique graphs},
     journal = {The electronic journal of linear algebra},
     pages = {146--161},
     publisher = {mathdoc},
     volume = {18},
     year = {2009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ELA_2009__18__a45/}
}