Grabau Amadeus W <br/><br/>
Principles of stratigraphy 
Grabau Amadeus W 
 - New York  Bover publications U S A       1960 
 - xxxiv,1185p.  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology
<br/><br/><label>Dewey Class. No.: </label>H5, K0.1-K0.2