(1994). A model of research, patenting, and productivity growth. [Lugar de publicación no identificado]: Boston University, Institute for Economic Development.
Chicago Style CitationA Model of Research, Patenting, and Productivity Growth. [Lugar de publicación no identificado]: Boston University, Institute for Economic Development, 1994.
MLA CitationA Model of Research, Patenting, and Productivity Growth. [Lugar de publicación no identificado]: Boston University, Institute for Economic Development, 1994.
Warning: These citations may not always be 100% accurate.