Parker, George . <br/><br/>
Elements of Astronomy /  Textual Documents 
George W.Parker. 
 - Ist ed / 
 - Patna :  Scientific Book Company ,  1953. 
 - 236p ;  24cm. 
<br/><br/><label>Subjects--Index Terms: </label>Astonomy T/G-Astronomy 
<br/><br/><label>Dewey Class. No.: </label>523  / P 225 El