University spin-offs and their impact: longitudinal evidence from ItalyDaniela Bolzani,Riccardo Fini,Rosa Grimaldi,Maurizio Sobreromag(2014)引用 28|浏览4暂无评分关键词growth,performanceAI 理解论文溯源树样例生成溯源树,研究论文发展脉络Chat Paper正在生成论文摘要