@article{JGAA_2010_14_2_a5,
     author = {Muhammad Jawaherul Alam and Md. Abul Hassan Samee and Mashfiqui Rabbi and Md. Saidur Rahman},
     title = {Minimum-Layer {Upward} {Drawings} of {Trees}},
     journal = {Journal of Graph Algorithms and Applications},
     pages = {245--267},
     publisher = {mathdoc},
     volume = {14},
     number = {2},
     year = {2010},
     doi = {10.7155/jgaa.00206},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.7155/jgaa.00206/}
}