T.  Carmon, Uzdin, R. , Pigier, C. , Musslimani, Z.H. , Segev, M. , and Nepomnyashchy, A. . 2001. ?Rotating Propeller Solitons.?. Physical Review Letters, 87, Pp. 143901. http://search.ebscohost.com/login.aspx?direct=true&db=edselc&AN=edselc.2-52.0-39249083623&site=eds-live.