00914nam0-22003251i-450-9900013568104033213-540-06943-7000135681FED01000135681(Aleph)000135681FED0100013568120000920d1975----km-y0itay50------baengExcitons at High DensityEdited by H. Haken and S. NikitineBerlin [etc.]Springer-Verlag1975303 p.ill.24 cmSpringer tracts in modern physicsVol. 73Scuole di fisica530.143Haken,Hermann17714Nikitine,S.ITUNINARICAUNIMARCBK99000135681040332122B-018.038FI122B-018-038.001FI1FI1Excitons at High Density375794UNINAING01