@book{154912,
	author = {Dao, Tran Xuan and Vietsovpetro and World Energy Congress (18th. : 2001 oct. 21-25 : Buenos Aires) and Zade, Chirin and Vietsovpetro},
	title = {Synergetical principles for improving and increasing the efficiency of the technological complex in building oil and gas wells on the Vietnam shelf}
}