TY - RPRT TI - Development, testing and evaluation of MHD-materials AU - Frederikse, H P R AU - Negas, T AU - Schneider, S J PY - 1977 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS IR 77-1242 DO - 10.6028/NBS.IR.77-1242 ER -