Encyclopaedia Britanica :   Antarctica to Balfec / 

 - 1963  University of Chicago  Chicago-London-Toronto-Geneva-Sydney, 
 - Vol. 2 
<br/><br/> A new survey of universal knowledge. Obra en ingles. Dedicated by permission "john Fitzgerald Kennedy" president of the Unites States of America and Her Majesty "Queen Elizabeth the second" 
<br/><br/><label>Temas-Términos Temáticos: </label><br/>Colecciones
<br/><br/><label>Clasificación Decimal Universal: </label>030 ENC b