E. Balthes, D. Schweitzer, I. Heinen, HJ. Keller, W. Biberacher, AGM. Jansen, E. Steep: DEPENDENCE OF THE CYCLOTRON EFFECTIVE-MASS IN THE ORGANIC SUPERCONDUCTOR KAPPA-(BEDT-TTF)(2)I-3. 1995Synthetic Metals: 70. ISBN 0379-6779 http://dx.doi.org/10.1016/0379-6779(94)02673-M