Autor:	Gerry Spring
Rok vydání:	1993
Předmět:	Economics and Econometrics Communication media_common.quotation_subject Media studies chemistry.chemical_element Art Library and Information Sciences Management Monitoring Policy and Law Management Information Systems Mercury (element) chemistry Phone Information Systems media_common
Zdroj:	Telecommunications Policy. 17:238-239
ISSN:	0308-5961
DOI:	10.1016/0308-5961(93)90008-q
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::209257580b688094dbc8e31dcf189b1b https://doi.org/10.1016/0308-5961(93)90008-q Zobrazit plný text záznamu