@article{MM2_1994__84_1_155976,
     author = {A. Campillo and A.J. Reguera},
     title = {Combinatorial aspects of sequences of point blowing ups.},
     journal = {Manuscripta mathematica},
     pages = {29--46},
     publisher = {mathdoc},
     volume = {84},
     number = {1},
     year = {1994},
     zbl = {0829.14007},
     url = {http://geodesic.mathdoc.fr/item/MM2_1994__84_1_155976/}
}