TY  - RPRT
TI  - Documentation and users guide for USRFILES; DISCO seismic data base information retrieval program
AU  - F. N. Zihlman
PY  - 1988
DO  - 10.3133/ofr88355
UR  - https://pubs.usgs.gov/publication/ofr88355
ID  - ofr88355
ER  -