Observation of a sample-dependent 37 anomaly on the lattice parameters of strontium titanateL. Arzel, B. Hehlen, F. Dénoyer, R. Currat, K.-D. Liss and E. CourtensEurophys. Lett., 61 5 (2003) 653-659DOI: https://doi.org/10.1209/epl/i2003-00121-4