1.
Frederick, MD, United States of America : Sold and distributed in North, Central and South America by Wolters Kluwer Legal & Regulatory U.S., [2017]
25th revised edition.
English | G 941 VIS.A (25) | Available |
2.
London : Devonshire Press, 1985.
Second edition.
English | G 11 EIS.I | Available |
3.
4.
United Kingdom : The Chartered Institute of Patent Attorneys, c.2007.
English | G 941 FOX.G | Available |
5.
Buffalo, New York : The Patent and Trademark Office Society, 1999.
English | 47 US | Available |
6.
7.
8.
9.
Dublin : Irish Centre For European Law, 1989.
English | F 630 ROB.I | Available |
10.