Byers, Michael. <br/><br/>
Custom, power and the power of rules :  international relations and customary international law / 
Michael Byers. 
 - Cambridge :  Cambridge University Press,  1999. 
 - xxii, 250 p. ;  23 cm. 
<br/><br/>Includes bibliography and index. 
<br/><br/><label>ISBN: </label>0521632897 0521632897  m 0521634083  v  pbk.  £14.95 
<br/><br/><label>Nat. Bib. No.: </label>b98V8703 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>100=NOTNAL 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Customary law, International.<br/>International law.<br/>International relations.
<br/><br/><label>Dewey Class. No.: </label>341.7