TY  - BOOK
AU  - Haken,H.
AU  - Nikitine,S.
TI  - Excitons at high density
T2  - Springer tracts in modern physics
SN  - 3540069437
U1  - 539/.08  
PY  - 1975///
CY  - New York
PB  - Springer-Verlag
KW  - Exciton theory
ER  -