GEOLOGISCHE UNTERSUCHUNGEN IM CHALYKTAU, TEMURLYKTAU, DSUNGARISCHEN ALATAU (TIAN-SCHAN) [GEOLOGICAL RESEARCH IN THE TIAN SHAN].
München, 1912, 1st edition. 95 pp, ills, fold-out maps. In German. Geological study of the Tian Shan under Merzbacher's expedition. Large-format paperback, Fine.