00790nam0-22002891i-450-99000064954040332120001010000064954FED01000064954(Aleph)000064954FED0100006495420001010d--------km-y0itay50------baitay-------001yy<<Il >>pianeta in bilicoil difficile equilibrio fra ambiente e sviluppoG.B. Zorzoli. -MilanoGarzanti1988.161 p.21 cmSaggi rossiZorzoli,G.B.342474ITUNINARICAUNIMARCBK99000064954040332101 A1 IV 601108DINSTDINSTPianeta in bilico314112UNINAING01