Otis sencillo: manual 

 - Madrid :  TEA,  2007 
 - 23 p. 
<br/><br/><label>ISBN: </label>978-84-7174-885-0 
<br/><br/><label>LCCN: </label>015186 
<br/><br/><label>Subjects--Topical Terms: </label><br/>TESTS
<br/><br/><label>Dewey Class. No.: </label>159.955