@article{JIS_2007__10_8_a0,
     author = {Woan, Wen-jin and Tankersley, Barbara},
     title = {Exponential generating functions for trees with weighted edges and labeled nodes},
     journal = {Journal of integer sequences},
     publisher = {mathdoc},
     volume = {10},
     number = {8},
     year = {2007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JIS_2007__10_8_a0/}
}