Ichiki, Ryuta; Yoshimura, Shinji; Watanabe, Tsuguhiro; Nakamura, Yoshiharu; Kawai, Yoshinobu . (2002). Experimental observation of dominant propagation of the ion-acoustic slow mode in a negative ion plasma and its application. Physics of Plasmas, 9(11), 4481–.
doi:10.1063/1.1515770
