Methods of test for soils Part xxxix   direct shear test for soils containing gravel 
Section I laboratory test 
 - New Delhi  Indian standards institution   1978 
<br/><br/><label>Subjects--Index Terms: </label>IS:2720(Part xxxix/sec I)-1977 
<br/><br/><label>Dewey Class. No.: </label>624.131.377.620.176