|
1.
|
Buffalo, New York : The Patent and Trademark Office Society, 1978.
French | 47 US |
|
|
2.
|
New York : J. Wiley, c1995.
Second edition.
English | F 630 DOR.P |
|
|
3.
|
[Place of publication not identified] : [publisher not identified], 1984.
English | 19 US |
|
|
4.
|
Buffalo, New York : The Patent and Trademark Office Society, 1980.
English | 47 US |
|