Nichols, Herbert L. <br/><br/>
Movíng the earth  : the wornbook of excavation 

 - 3 ed. 
 - Greenwich :  North Castle,  1976 
 - [1562] p.  ;  + apéndice 
<br/><br/><label>LCCN: </label>63157 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Excavadoras.
<br/><br/><label>Dewey Class. No.: </label>624.152  / N5 1976