On the magnetic properties of B2O3-Pbo-Fe2O 3-K2O and B2O3-PbO-Fe 2O3-CaO glasses E. Burzo, D. Ungur et I. ArdeleanJ. Phys. France, 44 5 (1983) 647-650DOI: https://doi.org/10.1051/jphys:01983004405064700
