@book{133496,
	author = {North, J. and Worldrill International and World Petroleum Congress (16th. : 2000 jun. 11-15 : Calgary, Alberta, Canada) and Knibb, S. K. and Worldrill International},
	title = {A NEW HIGH-PENETRATION RATE HYBRID DRILLING SYSTEM FOR DEVELOPING DEEP RESERVOIRS AND GEOTHERMAL SYSTEMS}
}