| [GOG+05] Gooch A. et al. |
| [OMG+05] Olsen S. et al. |
| [SCX+05] Setlur V. et al. |
| [SAG+05] Setlur V. et al. |
| [SGG+05] Sousa M.C. et al. |
| [KGC+00] Kaplan M. et al. |
| [GG+99] Gooch B. et al. |
| [GSG+99] Gooch B. et al. |
| [GG+99b] Gooch A. et al. |
| [SGM+99] Sloan P.P. et al. |
| [GGS+98] Gooch A. et al. |