Greitz, Engelberth. ഗ്രൈത്സ്, എൻഗെൽബെർത്. <br/><br/>
ഫിറ്റർ / 
by Engelberth Greitz. 
 - 1st ed. 
 - Trivandrum :  State Institute of Languages,  1972. 
 - 176p. 
<br/><br/><br/>Malayalam 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology.
<br/><br/><label>Dewey Class. No.: </label>621.31  / GRE/F