@article{GDZPPN002358980,
title = {Classification of algebraic surfaces with sectional genus less than or equal to six. III: Ruled surfaces with dim...(X)=2.},
journal = {Mathematica Scandinavica},
volume = {58},
year = {1986},
pages = {9-29},
zbl = {0663.14024},
url = {http://dml.mathdoc.fr/item/GDZPPN002358980}
}
Livorni, Elvira Laura. Classification of algebraic surfaces with sectional genus less than or equal to six. III: Ruled surfaces with dim...(X)=2.. Mathematica Scandinavica, Tome 58 (1986) pp. 9-29. http://gdmltest.u-ga.fr/item/GDZPPN002358980/