Singh, Gurbakhsh. <br/><br/>
Diamond jubilee celebrations /  
compiled by Gurbkhah Singh. 
 - 1st.Edn. /  
 - Delhi :   University Of Delhi ,   1985 
 - iii,478p :  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth Science
<br/><br/><label>Dewey Class. No.: </label>H1,91  / M5