Fridthjof, John. <br/><br/>
Encouraging the use of protein-rich foods / 
by John Fridthjof. 
 - Rome :  FAO,  1962. 
 - x, 103 p. :  ill. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fish as food.<br/>Protein.<br/>Diet.