Boff, Leonardo, <br/><br/>
Mistica y espiritualidad 
Leonardo Boff/ Frei Betto. 
 - Madrid  Editorial Trotta  1996 
 - 142 p.  23 cm. 
<br/><br/><label>ISBN: </label>8481641022  13.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mysticism--Catholic church.<br/>Liberation theology<br/>Mysticism--Social aspects.