TY  - RPRT
TI  - Thumper final report, ALSEP active seismic experiment
AU  - Joel S. Watkins
AU  - James H. Whitcomb
PY  - 1968
DO  - 10.3133/ofr68316
UR  - https://pubs.usgs.gov/publication/ofr68316
ID  - ofr68316
ER  -