Evidence for the strain critical point in high Tc superconductors D. Di Castro, G. Bianconi, M. Colapietro, A. Pifferi, N. L. Saini, S. Agrestini and A. Bianconi Eur. Phys. J. B, 18 4 (2000) 617-624 Published online: 15 December 2000 DOI: 10.1007/s100510070010