| author: | Ramsay, G. and Wu, K. |
| title: | "Chandra observations of the globular cluster M 54" |
| doi: | |
| pages: | 199–203 |
| year: | 2006 |
| eprint: | |
| volume: | 447 |
| format: | |
| journal: | Astron. Astrophys. |
| record URL: | http://relativity.livingreviews.org/refdb/record/14207 |
| lrr-2006-2 |
|