Thurairatnam, Allen L. <br/><br/>
Allen Abraham (Ambalavanar Subramaniar) and the Halley's comet 
/ Allen L. Thurairatnam 
 - Baththaramulla  Neptune pub.  2021 
 - xx, 96 p. 
<br/><br/> Includes Bibliography and Glossary 
<br/><br/><label>ISBN: </label>9786245583645 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy - Biography<br/>Ambalavanar Subramaniar - Biography
<br/><br/><label>Dewey Class. No.: </label>520.92  / THU