TY  - RPRT
TI  - Expanding the input multiplexer for the Data Translation, Inc., model DT2821 analog-to-digital converter
AU  - J.O. Ellis
PY  - 1989
DO  - 10.3133/ofr89201
UR  - https://pubs.usgs.gov/publication/ofr89201
ID  - ofr89201
ER  -