1. See also the article by J. Rossat-Mignod et al. in this volume and S.M. Hayden et al., in: Phase Separation in Cuprate Superconductors, ed, K.A. Müller (World Scientific, to be published).
2. Proceedings of the E. Fermi Summer School;Broglin,1992
3. Antiferromagnetism inLa2CuO4−y
4. Physical Properties of High Temperature Superconductors I;Birgeneau,1989