@article{MZ_1996__222_3_174905,
     author = {Sheng-Li Tan},
     title = {On the invariants of base changes of pencils of curves, {II.}},
     journal = {Mathematische Zeitschrift},
     pages = {655--676},
     publisher = {mathdoc},
     volume = {222},
     number = {3},
     year = {1996},
     zbl = {0864.14016},
     url = {http://geodesic.mathdoc.fr/item/MZ_1996__222_3_174905/}
}