Media type: E-Article Title: Key distillation from quantum channels using two-way communication protocols Contributor: Bae, Joonwoo; Acín, Antonio Published: American Physical Society (APS), 2007 Published in: Physical Review A, 75 (2007) 1 Language: English DOI: 10.1103/physreva.75.012334 ISSN: 1050-2947; 1094-1622 Origination: Footnote: