@article {62771, title = {Multiresonant Multidimensional Spectroscopy of Surface-Trapped Excitons in PbSe Quantum Dots}, journal = {Journal of Physical Chemistry Letters}, volume = {3}, number = {18}, year = {2012}, month = {Sep}, pages = {2707-2712}, type = {Article}, isbn = {1948-7185}, author = {S B Block and Yurs, L. A. and Pakoulev, A. V. and Selinsky, R. S. and S. Jin and J. C. Wright} }