@article{DMGT_2003_23_1_a8,
     author = {Figueroa-Centeno, Ramon and Ichishima, Rikio and Muntaner-Batle, Francesc},
     title = {Labeling the vertex amalgamation of graphs},
     journal = {Discussiones Mathematicae. Graph Theory},
     pages = {129--139},
     publisher = {mathdoc},
     volume = {23},
     number = {1},
     year = {2003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGT_2003_23_1_a8/}
}