TY  - RPRT
TI  - Systems for measuring thickness of temperate and polar ice from the ground or from the air.
AU  - R.D. Watts
AU  - D.L. Wright
PY  - 2017
DO  - 10.3189/s0022143000011485
UR  - https://pubs.usgs.gov/publication/70011957
ID  - 70011957
ER  -