TY  - RPRT
TI  - Astronomy using basic Mark 2 very long baseline interferometry
AU  - Spencer, J. H.
AU  - Waltman, W. B.
AU  - Johnston, K. J.
AU  - Backer, D. C.
PY  - 1980
UR  - https://ntrs.nasa.gov/citations/19800020312
ID  - 19800020312
ER  -