TY - RPRT TI - China, the United States, and competition for resources that enable emerging technologies AU - Andrew L. Gulley AU - Nedal T. Nassar AU - Sean Xun PY - 2018 DO - 10.1073/pnas.1717152115 UR - https://pubs.usgs.gov/publication/70196387 ID - 70196387 ER -