TY  - RPRT
TI  - NOTE ON SECOND-ORDER W. K. B. PHASE SHIFTS.
AU  - S I Choi
AU  - J Ross
PY  - 1962
DO  - 10.1073/pnas.48.5.803
UR  - https://pubmed.ncbi.nlm.nih.gov/16590947/
ID  - 16590947
ER  -