@article{IM_1970__11_142058,
     author = {J.S. Milne},
     title = {The {Bauer} {Group} of a {Rational} {Surface.}},
     journal = {Inventiones mathematicae},
     pages = {304--307},
     publisher = {mathdoc},
     volume = {11},
     year = {1970},
     zbl = {0205.25101},
     url = {http://geodesic.mathdoc.fr/item/IM_1970__11_142058/}
}