Hartley, Trevor C. <br/><br/>
Constitutional problems of the European Union  / 
Trevor C. Hartley. 
 - Oxford :  Hart Publishing,  1999. 
 - xxvi, 195p. . 
<br/><br/><label>ISBN: </label>1901362469 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Law--European Union countries.<br/>Constitutional law--European Union countries.