AgExporter [elektronický zdroj]. [Washington, D.C.] : U.S. Dept. of Agriculture, Foreign Agricultural Service, -[2004]. Mode of access: World Wide Web. Address as of 5/17/02: http://www.fas.usda.gov/info/agexporter/agexport.html; current access is available via PURL. Available on Internet: <http://sfx.jib.cz/sfxlcl3?url_ver=Z39.88-2004&ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&rfr_id=info:sid/sfxit.com:opac_856&url_ctx_fmt=info:ofi/fmt:kev:mtx:ctx&sfx.ignore_date_threshold=1&rft.object_id=962824978185&svc_val_fmt=info:ofi/fmt:kev:mtx:sch_svc&>