TY  - RPRT
TI  - Precise refractive index determination by the immersion method, using phase contrast microscopy and the Mettler hot stage.
AU  - S M Ojena
AU  - P R De Forest
PY  - 1972
DO  - 10.1016/s0015-7368(72)70682-9
UR  - https://pubmed.ncbi.nlm.nih.gov/4552255/
ID  - 4552255
ER  -