TY - JOUR AU - Maria Lucia Fania TI - Trigonal Hyperplane Sections of Projective Surfaces. JO - Manuscripta mathematica PY - 1990 SP - 17 EP - 34 VL - 68 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MM2_1990__68_2_155511/ ID - MM2_1990__68_2_155511 ER -