Ghez, Richard. Primer of diffusion problems / by Richard Ghez. - New York : Wiley, 1988. - xiii, 243 p. : illu. ; 23 cm. ISBN: 9780471846925 (pbk.) Subjects--Topical Terms: Differential equations, Partial.Diffusion processes--Mathematical models. Dewey Class. No.: 515.353 / GHE/P