TY  - BOOK
AU  - Migdal,A.B.
TI  - Qualitative methods in quantum theory
T2  - Frontiers in physics
SN  - 0805370641
U1  - 530.1/2 
PY  - 1977///
CY  - Reading, Mass.
PB  - W. A. Benjamin, Advanced Book Program
KW  - Quantum theory
ER  -