X-RAY TOPOGRAPHIC INVESTIGATION OF FERROMAGNETIC DOMAIN STRUCTURES WITH CLOSURE DOMAIN CONFIGURATIONS IN IRON-SILICON SINGLE CRYSTALS M. SCHLENKER et M. KLEMANJ. Phys. Colloques, 32 C1 (1971) C1-256-C1-258DOI: https://doi.org/10.1051/jphyscol:1971184