PseudoBase++: an extension of PseudoBase for easy searching, formatting and visualization of pseudoknots.
Taufer M, Licon A, Araiza R, Mireles D, van Batenburg FH, Gultyaev AP, Leung MY. PseudoBase++: an extension of PseudoBase for easy searching, formatting and visualization of pseudoknots. Nucleic Acids Res. 2009 Jan; 37(Database issue):D127-35.