@article{PORMA_1974__33_3_115235,
     author = {Thornton, M.C.},
     title = {Total spaces of circle bundles over lens spaces},
     journal = {Portugaliae mathematica},
     pages = {171--176},
     publisher = {mathdoc},
     volume = {33},
     number = {3},
     year = {1974},
     mrnumber = {0365567},
     zbl = {0331.55010},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1974__33_3_115235/}
}