Dashevskaya, E. I., Litvin, I., Nikitin, E. E., & Troe, J. (2009). Quantum and classical fall of a charged particle onto a stationary dipolar target. The Journal of Physical Chemistry A, 113(52), 14212-14219. Retrieved from http://pubs.acs.org/doi/pdfplus/10.1021/jp901515e.