Johnson, E. A.     Lithofacies depositional environment, and regional stratigraphy of the Lower eocene, Ghazij formation, Balochistan, Pakistan [Текст] / E.A. Johnson, P.D. Warwick, S.B. Roberts, I.H. Khan // U.S. Geological survey professional paper. N 1608 / Geological survey ; U.S.Department of the interior, U.S. Geological survey - Washington : Government printing office , 1999. — VI, 76p. : il.