TY  - RPRT
TI  - Reflected-light differential-interference microscopy: principles, use and image interpretation.
AU  - R Hoffman
AU  - L Gross
PY  - 1970
DO  - 10.1111/j.1365-2818.1970.tb02219.x
UR  - https://pubmed.ncbi.nlm.nih.gov/4920251/
ID  - 4920251
ER  -