@article{DCG_1995__14_3_131406,
     author = {K. Kumar and J. Abello and O. Egecioglu},
     title = {Visibility {Graphs} of {Staircase} {Polygons} and the {Weak} {Bruhat} {Order,} {I:} from {Visibility} {Graphs} to {Maximal} {Chains.}},
     journal = {Discrete & computational geometry},
     pages = {331--358},
     publisher = {mathdoc},
     volume = {14},
     number = {3},
     year = {1995},
     zbl = {0835.05065},
     url = {http://geodesic.mathdoc.fr/item/DCG_1995__14_3_131406/}
}