| [GGS+06] Germer T. et al. |
| [FMS+04] Freudenberg B. et al. |
| [IJM+04] Isenberg T. et al. |
| [JIN+04] Jesse R. et al. |
| [JFS+04] Jesse R. et al. |
| [MS+04] Meruvia Pastor O. et al. |
| [ZIS+04] Zander J. et al. |
| [ZIS+04b] Zander J. et al. |
| [HIR+03] Halper N. et al. |
| [HMH+03] Halper N. et al. |
| [HMH+03b] Halper N. et al. |
| [IFH+03] Isenberg T. et al. |
| [MFS+03] Meruvia Pastor O. et al. |
| [SID+03] Sonnet H. et al. |
| [FMS+02] Freudenberg B. et al. |
| [HSS+02] Halper N. et al. |
| [IHS+02] Isenberg T. et al. |
| [MS+02] Meruvia Pastor O. et al. |
| [SS+02] Strothotte T. et al. |
| [DHR+99] Deussen O. et al. |
| [DHO+99] Deussen O. et al. |
| [HS+99] Hamel J. et al. |
| [MFL+99] Masuch M. et al. |
| [SMI+99] Strothotte T. et al. |
| [SPM+99] Strothotte T. et al. |
| [GS+98] Godenschweger F. et al. |
| [GSW+98] Godenschweger F. et al. |
| [HSS+98] Hamel J. et al. |
| [MS+98] Masuch M. et al. |
| [RS+98] Raab A. et al. |
| [SSS+98] Schlechtweg S. et al. |
| [Str98b] Strothotte T. et al. |
| [SPR+94] Strothotte T. et al. |
| [ES+92] Emhardt J. et al. |