TY  - RPRT
TI  - Problems in PSRO implementation: some lessons from innovation theory.
AU  - H M Rosen
AU  - J M Metsch
PY  - 1977
DO  - 10.1215/03616878-1-4-391
UR  - https://pubmed.ncbi.nlm.nih.gov/558246/
ID  - 558246
ER  -