@article{article85c50f68,
title   = {Circularly polarized photoluminescence as a probe of density of states in 'GA''AS'/'AL''GA''AS' quantum hall bilayers},
author = {Pusep, Yuri A and Smirnov, D and Bakarov, A K and Santos, L Fernandes dos and Gusev, G M},
year = {2012},
doi = {10.1103/PhysRevLett.109.046802},
journal   = {Physical Review Letters}
}