TY  - RPRT
TI  - A glimpse over the horizon.
AU  - Tim Porter-O'Grady
PY  - 2002
DO  - 10.1891/rtnp.16.4.291.53026
UR  - https://pubmed.ncbi.nlm.nih.gov/12643337/
ID  - 12643337
ER  -