00838nem 2200325 n 450 991079164720332120200520144314.0(CKB)2560000000056707(MiAaPQ)EBC3329242(Au-PeEL)EBL3329242(CaPaEBR)ebr5008773(OCoLC)842614304(EXLCZ)99256000000005670720101210d1999 uy engurcn|||||||||Niger[electronic resource][S.l.] Maps.comc19991 online resource (1 map)Hypsometric map, Africa, NigerNigerMapsNigerMaps.com (Firm)MiAaPQMiAaPQMiAaPQBOOK9910791647203321NIGER633893UNINA