Schramm, C. J., Arora, A., Chandy, R. K., Cooper, K., Jorgenson, D. W., Siegel, D. S., … Menzer, J. (2008). Innovation Measurement: Tracking the State of Innovation in the American Economy.

Schramm, Carl J., Ashish Arora, Rajesh K. Chandy, Kathleen Cooper, Dale W. Jorgenson, Donald S. Siegel, David L. Bernd, et al. “Innovation Measurement: Tracking the State of Innovation in the American Economy,” January 2008.

Schramm CJ, Arora A, Chandy RK, Cooper K, Jorgenson DW, Siegel DS, et al. Innovation Measurement: Tracking the State of Innovation in the American Economy. 2008.

Schramm, Carl J., et al. Innovation Measurement: Tracking the State of Innovation in the American Economy. Jan. 2008.

Schramm CJ, Arora A, Chandy RK, Cooper K, Jorgenson DW, Siegel DS, Bernd DL, Ballmer S, Blanchard J, Buckley G, Collins A, Eskew ML, Hodges L, Palmisano SJ, Menzer J. Innovation Measurement: Tracking the State of Innovation in the American Economy. 2008.