@article{doi:10.1063/1.1769372, author = {M. C. McCarthy and S. Thorwirth and C. A. Gottlieb and P. Thaddeus}, title = {Tetrasulfur, S4: Rotational spectrum, interchange tunneling, and geometrical structure}, journal = {The Journal of Chemical Physics}, volume = {121}, number = {2}, pages = {632-635}, year = {2004}, doi = {10.1063/1.1769372}, URL = { http://dx.doi.org/10.1063/1.1769372 }, eprint = { http://dx.doi.org/10.1063/1.1769372 } }