Heavy electron YbNi2B2C and giant exchange YbNiBC: 170Yb Mössbauer spectroscopy and magnetization studiesP. Bonville, J. A. Hodges, Z. Hossain, R. Nagarajan, S. K. Dhar, L. C. Gupta, E. Alleno and C. GodartEur. Phys. J. B, 11 3 (1999) 377-383DOI: https://doi.org/10.1007/s100510050948