1.
Olufsen O. Explorations in Turkestan with an Account of The Basin of Eastern Persia and Sistan. Expedition of 1903, under the Direction of Raphael Pumpelly. Washington. D. G.; Published by the Carnegie Institution of Washington, April 1905. Kvart. 324 S. med talrige Illustrationer, Kort og Kortskitser. gt [Internet]. 1. januar 1906 [henvist 22. november 2024];18. Tilgængelig hos: https://tidsskrift.dk/geografisktidsskrift/article/view/49321