@article{IM_1973__19_142194,
     author = {Edward C. Turner},
     title = {Rotational {Symmetry:} {Basic} {Properties} and {Application} to {Knot} {Manifolds.}},
     journal = {Inventiones mathematicae},
     pages = {219--234},
     publisher = {mathdoc},
     volume = {19},
     year = {1973},
     zbl = {0247.57008},
     url = {http://geodesic.mathdoc.fr/item/IM_1973__19_142194/}
}