Sarkar , Madhusudan . <br/><br/>
Elements of Astronomy /  Textual Documents 
Madhusudan Sarkar & Benode Behari Datta. 
 - 4th ed. / 
 - Calcutta :  Kamala Book Depo ,  Nd. 
 - 260p. ;  18cm. 
<br/><br/><label>Subjects--Index Terms: </label>Astronomy G-Mathematics 
<br/><br/><label>Dewey Class. No.: </label>523  / Sa 73 El