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Gunn, J. D., Day, J. W., Folan, W. J., & Moerschbaecher, M. (2019). Geo-cultural Time: Advancing Human Societal Complexity Within Worldwide Constraint Bottlenecks—A Chronological/Helical Approach to Understanding Human–Planetary Interactions. BioPhysical Economics and Resource Quality, 4(3). doi:10.1007/s41247-019-0058-7



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