@article{MAN_1976__220_162802,
     author = {F.W. Barnes},
     title = {On the {2-Torsion} in the {K2} of {Fields.}},
     journal = {Mathematische Annalen},
     pages = {25--36},
     publisher = {mathdoc},
     volume = {220},
     year = {1976},
     zbl = {0305.12103},
     url = {http://geodesic.mathdoc.fr/item/MAN_1976__220_162802/}
}