TY  - RPRT
TI  - Setting limits on q0 from gravitational lensing
AU  - Gott, J. Richard, III
AU  - Park, Myeong-Gu
AU  - Lee, Hyung Mok
PY  - 1989
UR  - https://ntrs.nasa.gov/citations/19890039630
ID  - 19890039630
ER  -