00686nam a2200193 a 450000100100000000500170001000800410002702000150006804000250008308200170010810000250012524501020015026000370025230000350028950000210032404900090034595201210035499900170047500001951020200929170035.0100629s1999 nyuah 001 0 spa d a0385495323 aDO-SdBNPbspacBNPHU annnnbS6173c1 aSingh, Simon,94187614aThe code book :bthe science of secrecy from ancient Egypt to quantum crytography /cSimon Singh. aNew York :bAnchor Books,c1999. a410 p. :bil., fasc. ;c21 cm. aIncluye índice aBNGR 001054708MOaGRbGRcCTd2010-06-29iLF1l0onnnn S6173cp19510-10r2020-06-25w2020-06-25y4ZPréstamo en sala c19026d19026