Valko, Peter, 1950- <br/><br/>
Hydraulic fracture mechanics 
Peter Valko and Michael J. Economides 
 - Chichester  John Wiley & Sons  1995 
 - 298 p. : ill. ; 24 cm. 
<br/><br/>p. 284-286 
<br/><br/><label>ISBN: </label>0471956643  RM217.16 
<br/><br/><label>LCCN: </label>96-115860 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Oil wells--Hydraulic fracturing--Mathematics