@article{IUPAC+12199+2025, url = {https://doi.org/10.1351/goldbook.12199}, institution = {International Union of Pure and Applied Chemistry (IUPAC)}, year = {2025}, title = {mean-square unperturbed end-to-end distance}, doi = {doi:10.1351/goldbook.12199}, edition = {5.0.0} }