INTERACTION OF REDUCING AND CORROSIVE ENVIRONMENTS WITH CERAMIC FIBRES IN THE SYSTEM Al2O3-SiO2 P. DIETRICHS, G.S. DHUPIA et W. KRÖNERT J. Phys. Colloques, 47 C1 (1986) C1-581-C1-585 DOI: 10.1051/jphyscol:1986188