Raz, Joseph <br/><br/>
The concept of a legal system :  an introduction to the theory of legal system / 
Joseph Raz 
 - Oxford :  Clarendon Press,  1970 
 - viii, 212 p. :  ill. ;  23 cm. 
<br/><br/> Based on author's doctoral thesis, Univesity of Oxford 
<br/><br/>Bibliography : p. 209-210. 
<br/><br/><label>LCCN: </label>73-463861 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Jurisprudence