Wilks, Robin J. Principles of radiological physics / Robin J. Wilks ; foreword by June P. Smalley. - 2nd ed. - Edinburgh : Churchill Livingstone, 1987. - x, 594 p. : ill. ; 24 cm. Includes index. ISBN: 0443037809 (pbk.) Subjects--Topical Terms: Radiology, Medical.Medical physics.