Core structure of extensive air showers at primary energies around the knee by a multifractal moments analysis / A. Haungs, J. Kempa, H. Rebel, W. D. Apel, 1998. - 19 p. - Текст : непосредственный.
Features of lateral particle distributions in the core of high-energy extensive air showers from a multifractal moments analysis / A.Haungs,J.Kempa,H.-J.Mathes и др., 1995. - 30 p. - Текст : непосредственный.