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المزيد ...
1
بواسطة Sanchez-Ibarra, A.
Boulder, Colo. : World Data Center A for Solar-Terrestrial Physics, National Geophysical Data Center, 1992
Boulder, Colo. : World Data Center A for Solar-Terrestrial Physics, National Geophysical Data Center, 1992
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وثيقة رسمية
كتاب
2
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وثيقة رسمية
الكتروني
مادة مرجعية
3
4
5
6
7
8
9
Washington, District of Columbia : U.S. G.P.O., Supt. of Docs., 1981
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وثيقة رسمية
كتاب
10
11
12
13
بواسطة Jacobs, Katharine
Washington, D.C. : U.S. Dept. of Agriculture, 1950
Washington, D.C. : U.S. Dept. of Agriculture, 1950
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وثيقة رسمية
كتاب
14
Washington, D.C. : U.S. G.P.O., Supt. of Docs., 1981
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وثيقة رسمية
كتاب
15
16
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وثيقة رسمية
الكتروني
مادة مرجعية
17
[Washington, D.C.] : The Bureau, 1983
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وثيقة رسمية
كتاب
18
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وثيقة رسمية
دورية
19
20
Washington, D.C. : U.S. Dept. of Commerce, Bureau of the Census, 1978
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وثيقة رسمية
كتاب