1.
|
[Heidelberg, Germany] : [Springer], 1973.
English | 34 DE |
|
2.
|
[Place of publication not identified] : [publisher not identified], 1971.
German | 29 DE |
|
3.
|
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1977.
German | 28 DE |
|
4.
|
Köln : C. Heymann, c1987.
German | G 941 LEW.D |
|
5.
|
Paris [France] : Institut National de la Propriété Industriell, 1996.
French | 31 FR |
|
6.
|
[Heidelberg, Germany] : [Springer], 1976.
English | 34 DE |
|
7.
|
Weinheim : Vch, c1994.
German | F 44 DRE.F |
|
8.
|
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1996.
German | 29 DE |
|
9.
|
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1977.
German | 29 DE |
|
10.
|
München : C.H. Beck, 1986.
German | G 110 BER.L (1986) |
|