Twenhofel ,W,H. andTyler,S.A. <br/><br/>
Methods of study of sediments 
Twenhofel ,W,H. andTyler,S.A. 
 - New York   Mc Graw -Hill  1941 
<br/><br/><label>Dewey Class. No.: </label>552.5  / TWE.M