1.
|
[Heidelberg, Germany] : [Springer], 1973.
English | 34 DE |
|
2.
|
[Geneva, Switzerland] : [World Intellectual Property Organization], 1965.
English | 6B OMPI |
|
3.
|
[Geneva, Switzerland] : [World Intellectual Property Organization], 1968.
English | 6B OMPI |
|
4.
|
Concord, New Hampshire : UNH Franklin Pierce School of Law, 1996.
English | N 612(124) DE 29 |
|