TY  - RPRT
TI  - Kramers-Kronig relations in optical data inversion.
AU  - K Peiponen
AU  - EM Vartiainen
PY  - 1991
DO  - 10.1103/physrevb.44.8301
UR  - https://pubmed.ncbi.nlm.nih.gov/9998766/
ID  - 9998766
ER  -