Connection [elektronický zdroj]. Boston, Mass. : New England Board of Higher Education, [1986]-c2007. 21 v. 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=963018178927&svc_val_fmt=info:ofi/fmt:kev:mtx:sch_svc&>