TY  - BOOK
AU  - Petrashen, M I
TI  - Applications of group theory in quantum mechanics
U1  - 530.1201515122 P447A 
PY  - 1969///
CY  - New York
PB  - Dover Publications
N1  - 1632 21/08/2014 IB77 22/08/2014 Main Budget
ER  -