@article{AM2_1975__12_136479,
     author = {Kermit Sigmon},
     title = {A {Simple} {Proof} of the {K\"unneth} {Theorem} for {Alexander} {Cohomology.}},
     journal = {Aequationes mathematicae},
     pages = {32--38},
     publisher = {mathdoc},
     volume = {12},
     year = {1975},
     zbl = {0397.55011},
     url = {http://geodesic.mathdoc.fr/item/AM2_1975__12_136479/}
}