Book reviews

Abstract Abstract Organic Materials for Nonlinear Optics III. Edited by G. J. ASHWELL and D. BLOOR. (Cambridge: Royal Society of Chemistry, 1993.) [Pp. xii + 353 + subject and author index.] Price £65-00 hardcover. ISBN 0-85186-625-5. Introduction to the Physics of Electrons in Solids. By B. K. TANNER. (Cambridge: Cambridge University Press, 1995.) [Pp. xv + 243 + subject index.] Price £13.95 soft cover. ISBN 0521 28358 2. Clusters of Interstitial Atoms in Silicon and Germanium. By A. L. ASEEV, L. I. FEDINA, D. HOEHL and H. BARTSCH. (Berlin: Akademie Verlag, 1994.) [Pp. 152.] Price DM98-00 hard cover. ISBN 3-05-501600-9. Organic Molecular Crystals. Interaction, Localization, and Transport Phenomena. By E. A. SILINSH and V. CAPEK. (New York: American Institute of Physics, 1994.) [Pp. xxi + 393 + subject index.] Price £48.00 hard cover. ISBN 1-56396-069-9. Porous Silicon. Edited by Z. C. FENG and R. TSU. (Singapore, New Jersey, London, Hong Kong: World Scientific, 1994.) [Pp. xx + 465.] Price £ 64.00/US$86.00 hard cover. ISBN 981-02-1634-3.