Williams, Peter J. <br/><br/>
The surface of the earth :  an introduction to geotechnical science / 
Peter J. Williams 
 - London :  Longman,  1982 
 - 212 p. :  ill. ;  25 cm. 
<br/><br/>Bibliography: p.203-209 
<br/><br/><label>ISBN: </label>0582300436 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth sciences<br/>Engineering geology