NAPROC-13: A Carbon NMR Web Database for the Structural Elucidation of Natural Products and Food Phytochemicals. - José Luis López-Pérez; Roberto Therón; Esther del Olmo; Beatriz Santos-Buitrago; José Francisco Adserias; Carlos Estévez; Carlos García Cuadrado; David Eguiluz López; Gustavo Santos-García (PACBB, 2014)