1. Log models of birationally rigid varieties;Cheltsov;J. Math. Sci.,2000
2. D.J. Ryder, Elliptic pencils on cubic surfaces (2000) (unpublished manuscript)
3. The Magma algebra system: I. The user language;Bosma;J. Symbolic Comput.,1997
4. G. Brown, D.J. Ryder, Magma code available at www.kent.ac.uk/IMS/personal/gdb/ellfib.mag. At the same URL, the file www.kent.ac.uk/IMS/personal/gdb/examples.ellfib has the examples of Section 5
5. Compact complex surfaces;Barth,2004