Angeli, Massimiliano Trekking historia, técnica y lugares Massimiliano Angeli, Stefano Martignoni, Mario Trimeri. - 1a ed. - Barcelona Editorial Paidotribo 2001. - 128 p. il. 26 cm. Includes bibliographical references and index. ISBN: 8480195258 Subjects--Topical Terms: HikingExtreme sports.Mountaineeing.