01082nas 2200385 c 450 991089099100332120200423132951.0(CKB)1000000000223039(OCoLC)767791172(DE-101)101734308X(DE-599)ZDB2638893-5(EXLCZ)99100000000022303920111123b19931998 |y |engur|||||||||||txtrdacontentcrdamediacrrdacarrierWorld science reportpubl. by United Nations Educational, Scientific and Cultural OrganizationParisUNESCO Publ.ParisElsevier1993-1998London [u.a.]UNESCO Publ.1993Online-Ressource1020-6892 Zeitschriftgnd-contentStatistikgnd-content310500UNESCOisb0012DE-1019001JOURNAL9910890991003321World science report4267978UNINA