TY - RPRT TI - Likelihood-based refinement. I. Irremovable model errors. AU - V Y Lunin AU - P V Afonine AU - A G Urzhumtsev PY - 2002 DO - 10.1107/s0108767302001046 UR - https://pubmed.ncbi.nlm.nih.gov/11961289/ ID - 11961289 ER -