Rippōrṭṭā. 

 - Delhi,  Manager of Publications,  1960. 
 - 12, xvi, 610 p.  illus., tables.  25 cm. 
<br/><br/> In Malayalam. 
<br/><br/><label>LCCN: </label>sa 63003301  
<br/><br/><label>Subjects--Geographic Terms: </label><br/>India--Languages.
<br/><br/><label>LC Class. No.: </label>JQ220.L3  / A56 1960