TY - RPRT TI - Directional solidification of a planar interface in the presence of a time-dependent electric current AU - Brush, L N AU - Coriell, S R AU - McFadden, G B PY - 1989 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST IR 89-4161 DO - 10.6028/NIST.IR.89-4161 ER -