Yoshiaki Fukuma "A classification of polarized surfaces $(X,L)$ with $\kappa(X)\geq 0,\ \dim{\rm Bs}\vert L\vert \leq 0,\ g(L)=q(X)+m$, and $h^0(L)=m+1$," Kodai Mathematical Journal, Kodai Math. J. 24(2), 285-304, (2001)