This book by Piero San Giorgio, influenced by Nassim Talib (Anti Fragile)
https://www.amazon.com/Survive-Economic-Collapse-Piero-Giorgio/dp/1593680147Probably one of the individuals that influenced Varg Vikernes. He goes over the material, technological, financial and cultural perspective as to how the modern military-industrial complex is unsustainable, where economic growth cannot be infinite on a planet with finite resources in addition to cultural decadence, modern civilization will inevitably collapse.
Then he goes over on how to survive the imminent doom