- Author: John M. Pettifor Harald Juppner Francis H. Glorieux
- Language: English
- Year: 2003
- Author: D. G. Pettifor
- Language: English
- Year: 1995
- Author: Pettifor D.G.
- Language: English
- Year: 1995
- Author: D. G. Pettifor
- Language: English
- Year: 1995
- Author: D. G. Pettifor
- Language: English
- Year: 1995