TY  - RPRT
TI  - Scientific Digital Libraries, Interoperability, and Ontologies
AU  - Hughes, J. Steven
AU  - Crichton, Daniel J.
AU  - Mattmann, Chris A.
PY  - 2009
UR  - https://ntrs.nasa.gov/citations/20150011934
ID  - 20150011934
ER  -