产品设计层级如何塑造技术知识的演化：来自风电专利引用网络的证据

How a product’s design hierarchy shapes the evolution of technological knowledge—Evidence from patent-citation networks in wind power

• Joern Huenteler · 哈佛大学 通讯
• Jan Ossenbrink
• Tobias S. Schmidt
• Volker H. Hoffmann