Landshoff, Peter. Essential quantum physics / by Peter Landshoff, Allen Metherell and Gareth Rees - 2nd ed. - New York: Cambridge University Press, 1998. - x, 204p. ISBN: 0521620112 Subjects--Topical Terms: CrystalsPerturbation theoryPhysicsSpecial solution Dewey Class. No.: 530.12 / LAN/E