INFLUENCE OF Si-POWDER CHARACTERISTICS ON THE PORE STRUCTURE OF Si-POWDER COMPACTS AND OF REACTION-BONDED Si3N4 H.-J. KLEEBE et G. ZIEGLER J. Phys. Colloques, 47 C1 (1986) C1-97-C1-101 DOI: 10.1051/jphyscol:1986115