Infinitesimal variations of hodge structure (I) James Carlson, Mark Green, Phillip Griffiths, Joe Harris (1983) Compositio Mathematica
Infinitesimal variations of hodge structure (II) : an infinitesimal invariant of hodge classes Phillip Griffiths, Joe Harris (1983) Compositio Mathematica
Infinitesimal variations of hodge structure (III) : determinantal varieties and the infinitesimal invariant of normal functions Phillip A. Griffiths (1983) Compositio Mathematica
Intersection form for quasi-homogeneous singularities Joseph Steenbrink (1977) Compositio Mathematica