@article{PhysRevLett.90.213003, title = {Rotational Spectrum and Structure of ${\mathrm{S}\mathrm{i}}_{3}$}, author = {McCarthy, M. C. and Thaddeus, P.}, journal = {Phys. Rev. Lett.}, volume = {90}, issue = {21}, pages = {213003}, numpages = {4}, year = {2003}, month = {May}, publisher = {American Physical Society}, doi = {10.1103/PhysRevLett.90.213003}, url = {http://link.aps.org/doi/10.1103/PhysRevLett.90.213003} }