TY  - RPRT
TI  - The evaluation of large test fields for morphometric studies in electron microscopy.
AU  - U Peifer
PY  - 1980
DO  - 10.1016/s0344-0338(80)80130-0
UR  - https://pubmed.ncbi.nlm.nih.gov/6994073/
ID  - 6994073
ER  -