TY - RPRT TI - Atomic refinement using orientational restraints from solid-state NMR. AU - R Bertram AU - J R Quine AU - M S Chapman AU - T A Cross PY - 2000 DO - 10.1006/jmre.2000.2193 UR - https://pubmed.ncbi.nlm.nih.gov/11042042/ ID - 11042042 ER -