|
1.
|
[Place of publication not identified] : [publisher not identified], 1987.
English | 53 FR |
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|
2.
|
[Place of publication not identified] : [publisher not identified], 1987.
French | 53 FR |
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|
3.
|
Freiburg : Hochschulverlag, 1988.
German | N 62 GOE.V 1 |
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4.
|
[Place of publication not identified] : [publisher not identified], 1983.
English | 29 DE |
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5.
|
[Place of publication not identified] : [publisher not identified], 1988.
German | 29 DE |
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6.
|
Paris, France : Organisation des Nations Unies pour l’éducation, la science et la culture, 1977.
French | 3A UNESCO |
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7.
|
London [England] : Informa Law, 1990.
Dutch | 52 GB |
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