TY - JOUR AU - O'Hare, P AU - Tomaszkiewicz, I. AU - Beck, C. AU - Seifert, H. C2 - Journal of Chemical Thermodynamics DA - 1999-12-01 LA - en M1 - 31 PB - Journal of Chemical Thermodynamics PY - 1999 TI - Thermodynamics of Silicon Nitride. I. Standard Molar Enthalpy of Formation δfHm0 at the Temperature 298.15 K of α-Si3N4 and ε-Si3N4 ER -