| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Speciation and the Recognition Concept: Theory and Application | 978-O-8O18-474O-O (O-8O18-474O-O) | 1994 | Professor David M. Lambert |
G.S. · G. Spencer · H.G. · H.S. · H. Spencer · Hamish G. Spencer · P.G. · P. H. · P S · P SPENCER