TY  - RPRT
TI  - Descriptions of seismic array components; Part I, Digger, Digitec, and Multiplexer
AU  - W. H. Lee
PY  - 1992
DO  - 10.3133/ofr92430b
UR  - https://pubs.usgs.gov/publication/ofr92430B
ID  - ofr92430B
ER  -