@article{JRAM_1985__362_152769,
     author = {Robert Brooks},
     title = {On branched coverings of 3-manifolds which fiber over the circle.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {87--101},
     publisher = {mathdoc},
     volume = {362},
     year = {1985},
     zbl = {0565.57006},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1985__362_152769/}
}