TY  - RPRT
TI  - Seismic waves generated by sonic booms - A geoacoustical problem.
AU  - Espinosa, A. F.
AU  - Mickey, W. V.
AU  - Sierra, P. J.
PY  - 1968
UR  - https://ntrs.nasa.gov/citations/19690033292
ID  - 19690033292
ER  -