TY  - RPRT
TI  - Mapping small elevation changes over large areas - Differential radar interferometry
AU  - Gabriel, Andrew K.
AU  - Goldstein, Richard M.
AU  - Zebker, Howard A.
PY  - 1989
UR  - https://ntrs.nasa.gov/citations/19890059906
ID  - 19890059906
ER  -