Methods of test for soils for civil engineering purposes-Part8: Shear strength tests(effective stress) 
British Standards publication 
 - London  BSI Standards publication  1990 
 - iv, 30 p. 
<br/><br/><label>ISBN: </label>0580185923 
<br/><br/><label>Dewey Class. No.: </label>624.15136  / BRI