W. Biberacher, CP. Heidmann, H. Muller, W. Joss, C. Probst, K. Andres: QUANTUM OSCILLATIONS IN ALPHA-(BEDT-TTF)2KHG(SCN)4. 1993Synthetic Metals: 56. ISBN 0379-6779 http://dx.doi.org/10.1016/0379-6779(93)90404-K