Siebert

Symplectic 4-Manifolds and Algebraic Surfaces: Lectures given at the C.I.M.E. Summer School held in Cetraro, Italy, September 2-10, 2003 (Lecture Notes in Mathematics / Fondazione C.I.M.E., Firenze) by Denis Auroux,Fabrizio Catanese,Marco Manetti,Paul Seidel,Bernd Siebert,Ivan Smith,Gang Tian Springer Paperback 18 April 2008 from£37.98 | RRP: ~~£44.99~~
Cladistics: A Practical Course in Systematics (Systematics Association Special Volumes) by Peter L. Forey,Christopher J. Humphries,Ian J. Kitching,R. W. Scotland,D. J. Siebert,D. M. Williams Clarendon Press Paperback 28 October 1993 from£41.85 | RRP: ~~£34.95~~