-
61
-
62
-
63nork Black, Ian 1953-
Argitaratua 1991Liburua -
64
-
65
-
66
-
67Intelligence requirements for the 1990s collection, analysis, counterintelligence, and covert actionArgitaratua 1989Liburua
-
68
-
69
-
70
-
71
-
72
-
73
-
74
-
75
-
76
-
77
-
78
-
79
-
80