Ramanathan K.R <br/><br/>
Memoirs of Indian Meterological department sky illumination at sunrise and sunset 
Ramanathan K.R 
 -  1926 
 - 13p.  cm. 
<br/><br/><label>Standard No.: </label>32980 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MATHEMATICS
<br/><br/><label>Dewey Class. No.: </label>B95215, F6