%0 Journal Article %A Fukuma, Yoshiaki %T A Lower Bound For KxL Of Quasi-Polarized Surfaces (X, L) With Non-Negative Kodaira Dimension %J Canadian journal of mathematics %D 1998 %P 1209-1235 %V 50 %N 6 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1998-059-x/ %R 10.4153/CJM-1998-059-x %F 10_4153_CJM_1998_059_x