Digital Rights Management: Technological, Economic, Legal an girro 2015年6月5日 6 阅读 0 评论 法律 Digital Rights Management: Technological, Economic, Legal an by: : Eberhard Becker, Willms Buhse, Dirk Günnewig, Niels Rump (Editors) Print length: 805 Publication date: 2004-01-12 代发服务PDF电子书10元立即求助