Bohne, Jochen <br/><br/>
A characterization of oriented matroids in terms of conformal sequences 
J. Bohne 
 - 290 S. 
 - Bayreuther mathematische Schriften  40 .
 -  40 .
 - Bayreuther mathematische Schriften  40 .
<br/><br/><label>Nat. Bib. Agency Control No.: </label>029029821  DE-576 311364759  US-OCoLC