Rekha Rachel, Avirah Synsthesis and study of photophysical and metal ion binding properties of a few novel semisquaraine and croconaine dyes(Thesis) Rekha Rachel, Avirah ; guided by D Ramaiah - Kochi Faculty of science, Cusat 2010. - 170p. Subjects--Index Terms: Semisquaraine, squaraine and croconaine dyes Universal Decimal Class. No.: 667.28:546 / REK T