Head, K.H. <br/><br/>
Manual of Soil laboratory testing vol: ii :  permeability, shear strength and impressibility tests / 

 - 3rd ed.: 
 - Dunbeath  Whittles Publishing  2011 
 - 499 p.  col. ill. 
<br/><br/><label>ISBN: </label>9781904445692 
<br/><br/><label>Dewey Class. No.: </label>624.151360287  / HEA