TY  - RPRT
TI  - Are we always? When do we stop?
AU  - H J Van Peenen
PY  - 1993
DO  - 10.7326/0003-4819-118-1-199301010-00012
UR  - https://pubmed.ncbi.nlm.nih.gov/8416160/
ID  - 8416160
ER  -