International legend for hydrogeological maps. / Unesco.; . -- 2a ed. rev. -- París : UNESCO, 1983.
51p.; 29cm
Trabajo realizado por Unesco, International Association of Hydrogeologist (IAH) e International Association of Hydrological Sciences (IASH).;Historical development of the Legend and the International Hydrogeological Map of Europe;Introduction;International Legend of Hydrogeological Maps;Select list of Hydrogeological maps
556.3[084.3]
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