Hart, H. L. A. <br/><br/>
The concept of law / 
H. L. A. Hart. 
 - London :  Oxford university press,  c 1978. 
 - viii, 263 p. ;  21 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography : p. 257-258. 
<br/><br/>337  337 
<br/><br/><label>ISBN: </label>0 19 442317 4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Law.
<br/><br/><label>Dewey Class. No.: </label>340 / H11c