Forsyth, Frederick <br/><br/>
Guia, El./ 
Forsyth, Frederick 
 - Barcelona  P & J  1993 
 - 151p.  18 cm 
<br/><br/><label>ISBN: </label>84-01-46428-5 
<br/><br/><label>Universal Decimal Class. No.: </label>82-34