@article{JGAA_2006_10_2_a1,
     author = {Reuven Bar-Yehuda and Irad Yavneh},
     title = {A {Factor-Two} {Approximation} {Algorithm} for {Two-Dimensional} {Phase} {Unwrapping}},
     journal = {Journal of Graph Algorithms and Applications},
     pages = {123--139},
     publisher = {mathdoc},
     volume = {10},
     number = {2},
     year = {2006},
     doi = {10.7155/jgaa.00121},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.7155/jgaa.00121/}
}