TY  - RPRT
TI  - Upper limits for gravitational radiation from supermassive coalescing binaries
AU  - Anderson, J. D.
AU  - Armstrong, J. W.
AU  - Lau, E. L.
PY  - 1993
UR  - https://ntrs.nasa.gov/citations/19930051601
ID  - 19930051601
ER  -