APA

Preeg W., I, Schlumberger, World Petroleum Congress (14th : 1994 : Stavanger), I & Schlumberger.New formation evaluation tools and interpretation methods. : .

Chicago

Preeg W.E, I, Schlumberger, World Petroleum Congress (14th : 1994 : Stavanger), I and Schlumberger.New formation evaluation tools and interpretation methods. : .

Harvard

Preeg W., I, Schlumberger, World Petroleum Congress (14th : 1994 : Stavanger), I and Schlumberger.New formation evaluation tools and interpretation methods. : .

MLA

Preeg W.E, I, Schlumberger, World Petroleum Congress (14th : 1994 : Stavanger), I and Schlumberger.: . .