TY - RPRT TI - Creep of a Silicon Nitride Under Various Specimen/Loading Configurations AU - Choi, Sung R. AU - Powers, Lynn M. AU - Holland, Frederic A. AU - Gyekenyesi, John P. AU - Holland, F. A. PY - 2000 UR - https://ntrs.nasa.gov/citations/20010061366 ID - 20010061366 ER -