Williams, Howel. <br/><br/>
Petrography: an introduction to the study of rocks in thin section /  
by Howel Williams,Francis J.Turner and charles M.Gilbert. 
 - 1st.Edn. /  
 - San Francisco :   W.H.Freeman And Company ,   1977 
 - xiv,626p ;  
<br/><br/><label>ISBN: </label>0-7167-1376-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Igneous Rocks
<br/><br/><label>Dewey Class. No.: </label>H2  / M2