Antiferromagnetic order and phase transitions in GdS as studied with X-ray resonance-exchange scatteringTh. Brückel, D. Hupfeld, J. Strempfer, W. Caliebe, K. Mattenberger, A. Stunault, N. Bernhoeft and G. J. McIntyreEur. Phys. J. B, 19 4 (2001) 475-490DOI: https://doi.org/10.1007/s100510170293