00934nam--2200325---450-99000331816020331620090924110555.0000331816USA01000331816(ALEPH)000331816USA0100033181620090924d1981----km-y0itay50------baengUSa---||||001yyExcitonstheir propierties and usesDonald C. Reynolds, Thomas C. CollinsNew YorkAcademic presscopyr. 1981X, 291 p.ill.23 cmParticelle elementari539.721REYNOLDS,Donald C.605947COLLINS,Thomas C.605948ITsalbcISBD990003318160203316539.721 REY4279/CBS539.72100328204BKSCIRSIAV79020090924USA011105Excitons1121091UNISA