Improved Symmetry Greatly Increases X-Ray Power from Wire-Array Z-Pinches. - Sanford TW; Allshouse GO; Marder BM; Nash TJ; Mock RC; Spielman RB; Seamen JF; McGurn JS; Jobe D; Gilliland TL; Vargas M; Struve KW; et al. (Physical review letters, 1996)