00774nam0-22003131i-450 99000172289040332120190416091226.088-7064-128-7000172289FED01000172289(Aleph)000172289FED0100017228920030910d1986----km-y0itay50------baitaSahella frontiera della siccitàMilanoCLESAV198616 tav.30 cmSahelAfricaClimatologiaSiccità630.251 6ITUNINARICAUNIMARCBK99000172289040332160 630.251 6 SAHE 1986560FAGBCFAGBCSahel360610UNINA