@article{article769a38b7,
title   = {Helical edge states in multiple topological mass domains},
author = {Michetti, P. and Penteado,P. H. and Egues, José Carlos and Recher, P.},
year = {2012},
doi = {10.1088/0268-1242/27/12/124007},
journal   = {Semiconductor Science Technology}
}