@article{article0d8803c2,
title   = {Polarization dependence and interference in four-wave mixing with Rydberg levels in rubidium vapor},
author = {Vianna, S S and Nussenzveig, P and Magno, W C and Tabosa, J W R},
year = {1998},
doi = {10.1103/physreva.58.3000},
journal   = {Physical Review A}
}