@book{MettkeAlvaroGonzalesHaenseletal.2003, author = {Angelika Mettke and Jorge Alvaro-Gonzales and Ricarda H{\"a}nsel and Jana Kochan and Doris Lausch and Ubbo Busboom}, title = {Elementekatalog, {\"U}bersicht: Elementesortiment des Typs P2}, isbn = {3-934294-08-1}, year = {2003}, }