1.
2.
3.
[Place of publication not identified] : [publisher not identified], 1971.
Spanish | 1 PT |
4.
[Place of publication not identified] : [publisher not identified], 1971.
Spanish | 1 PT |
5.
[Paris, France] : [Association frandcaise pour la diffusion du droit d'auteur national et international], 1971.
French | 53 FR |
6.
Müchen [Germany] : Verlag Dokumentation, 1973.
German | 5 DE |
7.
Mexico : Universidad Nacional Autonoma De Mexico, 1978.
French | N 613 VAL.A |
8.
9.
10.
Stockholm [Sweden] : Nordiskt Immateriellt Rättsskydd (NIR), 1972.
Danish | 3 SE |