TY  - RPRT
TI  - Estimating social and private returns from innovations based on the advanced technology program: problems and opportunities
AU  - Mansfield, Edwin
PY  - 1996
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NIST GCR 99-780
DO  - 10.6028/NIST.GCR.99-780
ER  -