@article{CMH_1991__66_4_140231,
     author = {M. Farber},
     title = {Hermitian forms on link modules.},
     journal = {Commentarii mathematici Helvetici},
     pages = {189--236},
     year = {1991},
     volume = {66},
     number = {4},
     zbl = {0733.57013},
     url = {http://geodesic.mathdoc.fr/item/CMH_1991__66_4_140231/}
}