@book{ Solr-4324642, title = {World distribution of arid regions}, series = {MAB technical notes}, editor = {Laboratoire de cartographie th�matique du CERCG}, address = {Paris}, publisher = {UNESCO}, year = {1979}, note = {At head of title: UNESCO.}, note = {Cover title: Map of the world distribution of arid regions : explanatory note.}, note = {"The base map, at a scale of 1:25,000,000, has been obtained by photographical reduction of the 1:5,000,000 scale map of the world of the American Geographical Society of New York, and by a contraction of ocean areas. For the Americas, the bipolar oblique conformal projection has been used; elsewhere, the Miller stereographic projection, modified in three conformal zones and adopted for the FAO/Unesco Soil map of the world in 16 sheets, has been utilized."}, note = {Accompanied by: Map of the world distribution of arid regions : explanatory note. (54 p. : ill. ; 27 cm.)}, note = {Includes text.}, }