00783nam0-22002771i-450-99000066311040332120001010000066311FED01000066311(Aleph)000066311FED0100006631120001010d--------km-y0itay50------baitay-------001yyToo manyan ecological overviwe of earth's limitationsGeorg Borgstrom.-New YorkCollier BookLondonCollier MacMillan1971.XIII, 400 p.ill.20 cmBorgstrom,Georg33568ITUNINARICAUNIMARCBK99000066311040332101 I 203303681DINSTDINSTToo many326202UNINAING01