1. B. J. Birch and N. M. Stephens,The parity of the rank of the Mordell-Weil group, Topology5 (1966), 295–299
2. I. Connell,Good reduction of elliptic curves in abelian extensions, J. reine angew. Math.436 (1993), 155–175
3. J. Cremona,Algorithms for modular elliptic curves, Cambridge University Press, London, 1992
4. E. Liverance,A formula for the root number of a family of elliptic curves, preprint, 1992
5. M. Kuwata and L. Wang,Topology of rational points on isotrivial elliptic surfaces, preprint, 1992