TY  - RPRT
TI  - A glimpse over the horizon.
AU  - Tim Porter-O'Grady
PY  - 2002
DO  - 10.1891/rtnp.16.2.139.53005
UR  - https://pubmed.ncbi.nlm.nih.gov/12371432/
ID  - 12371432
ER  -