Du Boulay, G. H. Principles of x-ray diagnosis of the skull / By G.H. du Boulay. - 2nd ed. - London : Butterworths, 1980. - 400 p. : ill. ; 29 cm. Previous ed.: 1965 ISBN: 0407001174 Subjects--Topical Terms: Skull--Radiography.Skull--Radiography--Atlases.