000 00459nam a22001577a 4500
041 _aeng
082 0 _a652.8 MOO W
100 1 _aMoore, Dan Tyler
_9320932
245 1 0 _aCloak & cipher
_cDan Tyler Moore; Martha Waller
260 _aLondon :
_bGeorge G. Harrap & Co. Ltd.,
_c1965.
300 _a227 p. ;
_c21 cm.
650 4 _aCiphers
_9320933
650 4 _aCryptography
_9320934
650 4 _aCryptographers
_9320935
700 1 _aWaller, Martha
_9320936
999 _c348935
_d348871