Status of technology of hydraulic excavator industry in India 
/ Government of India 
 - New Delhi:    Government of India,      1990 
 - 215p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Universal Decimal Class. No.: </label>622.232.5(540)(047)  / N0