@misc{indiciae273646e33623, title = {Nuclear frameworks: concepts and operational definitions.}, author = {N Stuurman and L de Jong and R van Driel}, year = {1992}, doi = {10.1016/s0309-1651(05)80026-8}, url = {https://pubmed.ncbi.nlm.nih.gov/1446353/}, note = {Source identifier: 1446353} }