TY - RPRT TI - Security of quantum key distribution using d-level systems. AU - Nicolas J Cerf AU - Mohamed Bourennane AU - Anders Karlsson AU - Nicolas Gisin PY - 2002 DO - 10.1103/physrevlett.88.127902 UR - https://pubmed.ncbi.nlm.nih.gov/11909502/ ID - 11909502 ER -