RT Journal Article SR Electronic T1 Solitons Made Simple JF Science JO Science FD American Association for the Advancement of Science SP 1520 OP 1520 DO 10.1126/science.276.5318.1520 VO 276 IS 5318 A1 Shen, Y.R. YR 1997 UL http://science.sciencemag.org/content/276/5318/1520.abstract