@article{articleb5d18085, title = {Nonlocal transport near charge neutrality point in a two-dimensional electron-hole system}, author = {Gusev, G M and Olshanetsky, E B and Kvon, Z D and Mikhailov, N N and Dvoretsky, S A and Levin, A D}, year = {2012}, doi = {10.1103/PhysRevLett.108.226804}, journal = {Physical Review Letters} }