@article{GDZPPN002199130,
title = {Signatures of fields and extension theory.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {334},
year = {1982},
pages = {53-75},
zbl = {0466.12007},
url = {http://dml.mathdoc.fr/item/GDZPPN002199130}
}
Rosenberg, Alex; Becker, E.; Harman, J. Signatures of fields and extension theory.. Journal für die reine und angewandte Mathematik, Tome 334 (1982) pp. 53-75. http://gdmltest.u-ga.fr/item/GDZPPN002199130/