Kárník, V., Procházková, D., Schenková, Z., Ruprechtová, L., Dudek, A., Drimmel, J., Schmedes, E., Leydecker, G., Rothé, J., Guterch, B., Lewandowska, H., Mayer-Rosa, D., Cvijanovic, D., Kuk, V., Giorgetti, F., Grünthal, G., Hurtig, E. (1978): Map of isoseismals of the main Friuli earthquake of 6 May 1976. - Pure and Applied Geophysics, 116, 2, 1307-1313.