TY  - BOOK
AU  - International centre for theoritical physics (12
AU  - enardo, G., ed.
AU  - Ghirardi, G., ed.
AU  - Weber, T., ed.
TI  - Group theoretical methods in physics: Proceedings
T2  - Lecture notes in physics
SN  - 3540133356
U1  - 530.15222 
PY  - 1984///
CY  - New York
PB  - Springer-Verlag
ER  -