@article{CM_1992__84_1_91_0,
     author = {Hain, Richard M.},
     title = {Nil-manifolds as links of isolated singularities},
     journal = {Compositio Mathematica},
     pages = {91--99},
     publisher = {Kluwer Academic Publishers},
     volume = {84},
     number = {1},
     year = {1992},
     mrnumber = {1183566},
     zbl = {0767.57010},
     language = {en},
     url = {http://www.numdam.org/item/CM_1992__84_1_91_0/}
}