Moles, Robert N. <br/><br/>
Definition and rule in legal theory :  a reassessment of H.L.A. Hart and the positivist tradition / 
Robert N. Moles 
 - Oxford :  Basil Blackwell,  1987 
 - 285 p. ;  24 cm. 
<br/><br/> Originally presented as the author's thesis (doctoral-Edinburgh University) 
<br/><br/><label>ISBN: </label>063115342X 
<br/><br/><label>LCCN: </label>87-11660 
<br/><br/><label>Subjects--Personal Names: </label><br/>Hart, H. L. A. 1907 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Legal positivism<br/>Natural law<br/>Law--Philosophy