@book{133490,
	author = {Chebab, Abderahmane and Sonatrach and World Petroleum Congress (16th. : 2000 jun. 11-15 : Calgary, Alberta, Canada) and Daoud, Ahmed and Sonatrach},
	title = {PROBLEMS OF CEMENTING EXPLORATION WELLS IN ALGERIAN SAHARA CENTRAL - AHNET BASIN (IN-SALAH AREA)}
}