Schäfer, Dagmar Department Artifacts, Action, Knowledge, Max Planck Institute for the History of Science, Max Planck Society;
Schäfer, D., & Popplow, M. (2015). Technology and innovation within expanding webs of exchange. In B. Z. Kedar, & M. E. Wiesner-Hanks (Eds.), The Cambridge World History. Vol. 5. Expanding webs of exchange and conflict, 500 Ce – 1500 Ce (pp. 309-338). Cambridge: Cambridge University Press.