TY  - RPRT
TI  - Abundances of refractory elements in quasars
AU  - Gaskell, C. M.
AU  - Wampler, E. J.
AU  - Shields, G. A.
PY  - 1981
UR  - https://ntrs.nasa.gov/citations/19820031595
ID  - 19820031595
ER  -