%0 Journal Article %A Sheng-Li Tan %T On the Invariants of Base Changes of Pencils of Curves, I. %J Manuscripta mathematica %D 1994 %P 225-244 %V 84 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM2_1994__84_1_155989/ %F MM2_1994__84_1_155989