|April 1987||Firm Size and R&D Intensity: A Re-Examination|
with Wesley M. Cohen, Richard C. Levin: w2205
Published: Cohen, Wesley M., Richard C. Levin and David C. Mowery. "Firm Size and R&D Intensity: A Re-Examination," Journal of Industrial Economics, Vol. XXXV, No. 4, June 1987, pp. 543-565.