Media type: E-Article Title: Quantum Cloning Machines with Phase-Conjugate Input Modes Contributor: Cerf, N. J.; Iblisdir, S. imprint: American Physical Society (APS), 2001 Published in: Physical Review Letters Language: English DOI: 10.1103/physrevlett.87.247903 ISSN: 0031-9007; 1079-7114 Keywords: General Physics and Astronomy Origination: Footnote: