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International Youth Hostel Federation
> Anton Grassl
Anton Grassl
title
ISBN-13
(ISBN-10)
year of publication
The magic triangle: A short history of the world youth hostel movement
978-O-9O1496-17-1
(O-9O1496-17-O)
1982
A.G.
·
Anton G.
·
Anton M. Grassl
Anton Grauvogl