1.
|
[Amsterdam, The Netherlands] : [Elsevier], 1984.
English | 15 OMPI |
|
2.
|
[Amsterdam, The Netherlands] : [Elsevier], 1986.
English | 15 OMPI |
|
3.
|
[Amsterdam, The Netherlands] : [Elsevier], 1979.
English | 15 OMPI |
|
4.
|
Buffalo, New York : The Patent and Trademark Office Society, 1970.
English | 47 US |
|