TY  - RPRT
TI  - Low-resolution structure refinement in electron microscopy.
AU  - James Z Chen
AU  - Johannes Fürst
AU  - Michael S Chapman
AU  - Nikolaus Grigorieff
DO  - 10.1016/j.jsb.2003.09.008
UR  - https://pubmed.ncbi.nlm.nih.gov/14643217/
ID  - 14643217
ER  -