A  Zigler, Burkhalter, PG , Nagel, DJ , Rosen, MD , Boyer, K , Luk, TS , McPherson, A , and Rhodes, CK . 1991. ?Plasma Production From Ultraviolet-Transmitting Targets Using Subpicosecond Ultraviolet Radiation?. Optics Letters, 16, Pp. 1261?1263.