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Semiconductor Superlattices
This book surveys semiconductor superlattices, in particular their growth and electronic properties in an applied electric field perpendicular to the layers. The main developments in this field, which were achieved in the last five to seven years, are summarized. The electronic properties include transport through minibands at low electric field strengths, the Wannier-Stark localization and Bloch oscillations at intermediate electric field strengths, resonant tunneling of electrons and holes between different subbands, and the formation of electric field domains for large carrier densities at high electric field strengths.
Geographers
The twenty-seventh volume of Geographers: Biobibliographical Studies includes essays covering the geographical work and lasting significance of eight individuals between the late sixteenth century and the early twentieth century. The essays cover early modern geography, cartography and astronomy, geography's connections with late Renaissance humanism and religious politics, 'armchair geography' and textual enquiry in African geography, medical mapping and Siberian travel, human ecology in the Vidalian tradition, radical political geography in twentieth-century USA, American agricultural geography and cultural-historical geography in Japan and in India. In these essays, GBS continues to provide detailed insight into the richness of geography's intellectual traditions and the diversity of geographers' lives.
Report of the Japanese Traverse Syowa-South Pole, 1968-1969
Proceedings of expedition and papers on glaciological, meteorological, geophysical research, etc.
