00514nam a2200193Ia 4500 OSt 20150610144015.0 120327s9999 xx 000 0 und d 9780486247618 001.543 GAR Gardner, Martin 1000 Codes, Ciphers and Secret Writing Martin Gardner Dover Publication New York 2010- 96p. 257 Cryptography Code Secret Writing 1011 BOOK ddc ddc BOOK 4190 4190 0 0 ddc 0 0 SNUL SNUL 2012-03-27 257.00 001.543 GAR 4190 2012-03-27 00:00:00 2012-03-27 BOOK Missing / Written Off