National Institute of Informatics - Digital Silk Road Project
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Southern Tibet : vol.6 |
SOUTHERN TIBET
DISCOVERIES IN FORMER TIMES COMPARED WITH
MY OWN RESEARCHES IN 1906-1908
BY
SVEN HEDIN
VOL. VI PART II
LES OBSERVATIONS ASTRONOMIQUES
CALCULÉES ET RÉDIGÉES
PAR
DR. K. G. OLSSON
STOCKHOLM
LITHOGRAPHIC INSTITUTE OF THE GENERAL STAFF OF THE SWEDISH ARMY
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