@article{articlec619b415,
title   = {Unconventional Hall effect near charge neutrality point in a two-dimensional electron-hole system},
author = {Raichev, O. E. and Gusev, Guennadii Michailovich and Olshanetsky, E. B. and Kvon, Z. D. and Mikhailov, N. N. and Dvoretsky, S. A. and Portal, J. C.},
year = {2012},
doi = {10.1103/PhysRevB.86.155320},
journal   = {Physical Review B}
}