@incollection{AST_1989__179-180__163_0,
     author = {Steenbrink, J. H. M.},
     title = {The spectrum of hypersurface singularities},
     booktitle = {Th\'eorie de Hodge - Luminy, Juin 1987},
     editor = {Barlet D. and Esnault H. and Elzein F. and Verdier Jean-Louis and Viehweg E.},
     series = {Ast\'erisque},
     pages = {163--184},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {179-180},
     year = {1989},
     zbl = {0725.14031},
     language = {en},
     url = {http://archive.numdam.org/item/AST_1989__179-180__163_0/}
}