TY - JOUR ID - discovery1362170 UR - http://dx.doi.org/10.1103/PhysRevLett.96.081302 PB - APS JF - Physical review letters A1 - Smolin, JA A1 - Oppenheim, J TI - Locking information in black holes AV - public Y1 - 2006/// VL - 96 N1 - © 2006 The American Physical Society IS - 8 ER -