TY  - RPRT
TI  - Astrophysics: the inconstant constant?
AU  - Lennox L Cowie
AU  - Antoinette Songaila
PY  - 2004
DO  - 10.1038/428132a
UR  - https://pubmed.ncbi.nlm.nih.gov/15014480/
ID  - 15014480
ER  -