@article{SJC_2013_7_2_a1,
     author = {Vassilev, Tzvetalin and Ammerlaan, Joanna},
     title = {Programming and {Testing} a {Two-Tree} {Algorithm}},
     journal = {Serdica Journal of Computing},
     pages = {115--134},
     publisher = {mathdoc},
     volume = {7},
     number = {2},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SJC_2013_7_2_a1/}
}