TY  - RPRT
TI  - Preliminary Findings: Issues in Surface Movement
AU  - Smith, Philip J.
AU  - Denning, Rebecca
AU  - Obradovich, Jodi
AU  - Billings, Charles
AU  - Woods, David
PY  - 1999
UR  - https://ntrs.nasa.gov/citations/19990047716
ID  - 19990047716
ER  -