Chenevert, Martin E. <br/><br/>
HP-41CV applied drilling engineering manual / 
Martin E. Chenevert, Frank Williams, Hampo Hekimian. 
 - Book Division, Houston, Tex. :  Gulf Publishing Co.,  1983. 
 - 137p. :  illl. ;  24 cm. 
<br/><br/>Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Boring--Data processing.<br/>HP--41(Calculating--machine).