El Mundo de las Montañas

Autor: Walter Bucher, Bernard Bruggmann

Autor: Walter Bucher

Autor: Bill Manley

Autor: Stephen Farthing, Richard Cork

Autor: Vict Stevenson

Autor: Jordi Faulí i Oller

Autor: Gottfried Lindemann, Hermann Boekhoff

Autor: Ingo F. Walther

Autor: Gunther. Vogel, Ulrich. Michels

Autor: Sabine Burger, Nelleke Geel, Alexander Schwarz

Autor: Hans Magnus Enzensberger

Autor: Barbara G. Lane

Autor: Germano Mulazzani

Autor: Philipp Mohr

Autor: Marianne Mehling

Autor: Dudenredaktion