@article{IM_1978__45_142535,
     author = {Robion Kirby},
     title = {A {Calculus} for {Framed} {Links} in {S3.}},
     journal = {Inventiones mathematicae},
     pages = {35--56},
     publisher = {mathdoc},
     volume = {45},
     year = {1978},
     zbl = {0377.55001},
     url = {http://geodesic.mathdoc.fr/item/IM_1978__45_142535/}
}