1. Innovation Market Structure and Firm Size;Zoltan J Acs;The Review of Economics and Statistics,1987
2. Innovation in Large and Small Firms: An Empirical Analysis;Zoltan J Acs;The American Economic Review,1988
3. The Structure of Firm R&D and the Factor Intensity of Production;James Adams;Center for Economic Studies Discussion Paper,1997
4. A Guide to R&D Data at the Center for Economic Studies U.S. Bureau of the Census;James Adams;Center for Economic Studies Discussion Paper CES-WP-94-9,1994