Media type: E-Article Title: Network and System Security: Background Transfer Method for Ubiquitous Computing Contributor: Lee, Tae-Gyu; Chung, Gi-Soo imprint: Springer Berlin Heidelberg, 2012 Published in: Network and System Security Language: Not determined DOI: 10.1007/978-3-642-34601-9_7 ISSN: 0302-9743; 1611-3349 Origination: Footnote: