p [-0.1:0.1] "GO/KERNEL/0.001/FeSi.phi" u 1:2 t "GO/KERNEL/0.001/FeSi.phi u 1:2" w l lw 2, "GO-NEW/KERNEL/0.001/FeSi.phi" u 1:2 t "GO-NEW/KERNEL/0.001/FeSi.phi u 1:2" w l lw 2