TY  - BOOK
AU  - Allen, L. Eberly, J. H.
TI  - 000000140onance and two- level atoms
SN  - 0471023272
U1  - 539.2 
PY  - 1975///
CY  - London
PB  - Wiley- Interscience
KW  - Optical resonance
ER  -