Chapter 17 Catalogue statistics and plots

Author(s): Claus Fabricius, Teresa Antoja, Frédéric Arenou, Francesca Figueras, Albert Garcia-Gutierrez, Carme Jordi, Albert Masip, Maria Monguió, Pau Ramos, Mercè Romero-Gómez, Albert Sáez-Núñez, Michael Weiler