Babu, S.K.. <br/><br/>
Practical Manual of crystal optics /  
by S.K.Babu,D.K.Sinha. 
 - 1st.Edn. /  
 - Delhi :   CBS Publishers & Distributors ,   1977 
 - x,81p ;  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth Science
<br/><br/><label>Dewey Class. No.: </label>H1:8  / M7;1