| Reference | Stars studied | Chemical Elements |
| Savanov (1996) | 13 A-Am and F-Fm | C, O, Si, Ca, Fe, Ba |
| Hui-Bon-Hoa et al. (1997) | 2 A-Am | Mg, Ca, Sc, Cr, Fe, Ni |
| Hui-Bon-Hoa & Alecian (1998) | 4 A-Am | Mg, Ca, Sc, Cr, Fe, Ni |
| Burkhart & Coupry (2000) | 7 A-Am | Li, Al, Si, S, Fe, Ni, Eu |
| Boesgaard (1987) | 22 A and F | Li |
| Friel & Boesgaard (1992) | 14 F | Fe, C |
| Jeffries (1999) | 15 F, G, K | Li |
| Cayrel et al. (1988) | 4 G | Fe |
| Soderblom et al. (1990) | 28 G | Li |