@article{IM_1979__52_142644,
     author = {Eduardo H. Cattani and Aroldo G. Kaplan},
     title = {The {Monodromy} {Weight} {Filtration} for a {Several} {Variables} {Degeneration} of {Hodge} {Structures} of {Weight} {Two.}},
     journal = {Inventiones mathematicae},
     pages = {131--142},
     year = {1979},
     volume = {52},
     zbl = {0408.32005},
     url = {http://geodesic.mathdoc.fr/item/IM_1979__52_142644/}
}