1.
Livorni EL. Classification of algebraic surfaces with sectional genus less than or equal to six. III: Ruled surfaces with $\dim \phi_{K_X \otimes L}(X)=2$. Math. Scand. [Internet]. 1986 Jun. 1 [cited 2026 Jul. 25];59:9-29. Available from: https://journals.msp.org/mscand/article/view/1522