TY  - RPRT
TI  - Vertically reciprocating auger
AU  - Etheridge, Mark
AU  - Morgan, Scott
AU  - Fain, Robert
AU  - Pearson, Jonathan
AU  - Weldi, Kevin
AU  - Woodrough, Stephen B., Jr.
PY  - 1988
UR  - https://ntrs.nasa.gov/citations/19900015142
ID  - 19900015142
ER  -