Kondrarieff waves
Peter Herrmann, William R. Thompson, Arno Tausch, Willi Semmler, Leonid E. Grinin, Andrey V. Korotayev, Stephen I. Ternyik, Brian J. L. Berry, Philippe Jourdon , Lucas Bernard, Aleksandr V. Gevorkyan, Tom Palley, Denis J. Dean, Euel Elliott, Jonas Van Vossole, Leo Nefiodow, Simone Nefiodow, Anton L. Grinin , Valentina M. Bondarenko, Nikolai D. Kondratieff, Barry K. Gills, Robert A. Denemark