@article {2009|1486, title = {Free-Energy Landscape of RNA Hairpins Constructed via Dihedral Angle Principal Component Analysis}, journal = {J. Phys. Chem. B}, volume = {113}, number = {52}, year = {2009}, month = {dec}, pages = {16660{\textendash}16668}, author = {Riccardi, Laura and Phuong Hoang Nguyen and Stock, Gerhard} }