TY  - RPRT
TI  - First experiences with the H-maser EFOS 1
AU  - Schlueter, W.
AU  - Nottarp, K.
AU  - Feil, D.
AU  - Busca, G.
PY  - 1983
UR  - https://ntrs.nasa.gov/citations/19830027098
ID  - 19830027098
ER  -