Highly disordered two-dimensional electron system in a weak magnetic field J. J. Mareš, J. Krištofik, P. Hubík, X. Feng, J. Novák and S. Hasenöhrl Europhys. Lett., 45 3 (1999) 374-380 Published online: 01 September 2002 DOI: 10.1209/epl/i1999-00174-3