TY  - RPRT
TI  - Notes on a broad-band variant of the NCER seismic data multiplex system for use with field tape recorders
AU  - Jerry P. Eaton
PY  - 1976
DO  - 10.3133/ofr7687
UR  - https://pubs.usgs.gov/publication/ofr7687
ID  - ofr7687
ER  -