Openness, Secrecy, Authorship, Technical Arts and the Culture of Knowledge from Antiquity to the Renaissance, Johns Hopkins University Press, Pamela O. Long,History of engineering and technology,Technology: general issues, history of technology; ancient history; medieval history; crafts,, , United States, en-UShttps://www.press.jhu.eduhistory of technology; ancient history; medieval history; crafts, [BLURB],[CITY],,books, ebooks, biblet, Book2look