TY  - BOOK
AU  - Kramer,P.
AU  - Rieckers,A.
TI  - Lecture Notes in Physics: : Group Theoretical Methods in Physics
SN  - 3-540-08848-2
U1  - 530.152 
PY  - 1978///
CY  - new york
PB  - Springer-Verlag
ER  -