de Haas-van Alphen investigations of the organic metal α-(ET)2TlHg(SeCN)4 G. Goll, J. Wosnitza and N. D. Kushch Europhys. Lett., 35 1 (1996) 37-42 Published online: 01 September 2002 DOI: 10.1209/epl/i1996-00527-x