1.
London : Waterlow, 1986.
English | F 634 REI.C |
2.
London, England : Sweet & Maxwell, 1980.
English | 10 GB |
3.
Buffalo, New York : The Patent and Trademark Office Society, 1974.
English | 47 US |
4.
London : Sweet & Maxwell, 1999.
Third edition.
English | G 870 REI.P |
5.
London, England : Sweet & Maxwell, 1993.
Second edition.
English | G 11 REI.P |
6.
London : Waterlow, 1984.
English | K 110 REI.A |
7.
London, England : Sweet & Maxwell, 1982.
English | 10 GB |