1. Notes on the space of real places of a formally real field;Becker,1995
2. Real places and ordered fields;Brown;Rocky Mt. J. Math.,1971
3. Real values places on the function field of a curve;Brown;Houston J. Math.,1980
4. The reduced theory of quadratic forms;Brown;Rocky Mt. J. Math.,1981
5. The Boolean space of orderings of a field;Craven;Trans. Amer. Math. Soc.,1975