@article{article25c4a979,
title   = {Two-color spectroscopy of colliding ultracold atoms},
author = {Bagnato, Vanderlei Salvador and Marcassa, Luís Gustavo and Tsao, C and Wang, Y and Weiner, J},
year = {1993},
doi = {10.1103/physrevlett.70.3225},
journal   = {Physical Review Letters}
}