%0 Book Section %T Unitarized Chiral Perturbation Theory and the meson spectrum publisher American Institute of Physics %D 2010 %U 978-0-7354-0807-4 %@ https://hdl.handle.net/20.500.14352/45623 %X In this talk we briefly review how the unitarization of Chiral Perturbation Theory with dispersion relations can successfully describe the meson- meson scattering data and generate light resonances, whose mass, width and nature can be related to QCD parameters like quark masses and the number of colors. %~