1.
2.
London : Sweet & Maxwell, 1994.
Fourteenth edition.
English | G 11 TER.L |
3.
4.
London [England] : Imperial College (University Of London), 1989.
English | G 11 SIL.P |
5.
6.
7.
Tarzana, Ca : Ilma, 1980.
Seventh Print. Rev.
Swiss german | G 11 FUL.I |
8.
Vienna [Austria] : Oesterreichisches Patentamt, 1979.
English | G 11 VOR(E) |
9.
10.