Kondratieff Waves, Warfare and World Security: Volume 5 NATO Security through Science Series: Human and Societal Dynamics by T.C. Devezas is what I am currently reading.

Fascinating to say the least.

Also, see: A Spectral Analysis of World GDP Dynamics: Kondratieff Waves, Kuznets Swings, Juglar and Kitchin Cycles in Global Economic Development, and the 2008–2009 Economic Crisis Korotayev, Andrey V and Tsirel, Sergey V.