Provedení International patent classification (IPC) = Classification internationale des brevets (CIB) (1994)

World Intellectual Property Organization. International patent classification (IPC) = Classification internationale des brevets (CIB). 6th ed. [Geneva, Švýcarsko]: World Intellectual Property Organization, International Bureau ; München: Carl Heymanns Verlag, 1994. 10 sv. WIPO publication, 560(E). ISBN 3-452-19413-2 (brož. : soubor). ISBN 978-3-452-19413-8 (brož. : soubor). ISBN 92-805-0510-6 (sv. 9) ISBN 978-92-805-0510-8 (sv. 9). ISBN 92-805-0511-4 (sv. 10). ISBN 978-92-805-0511-5 (sv. 10). – Vol. 1. Section A, human necessities. Vol 2. Section B, performing operations, transporting. Vol. 3. Section C, chemistry, metalurgy. Vol. 4. Section D, textiles, paper. Vol. Section E, fixed constructions. Vol. 6. Section F, mechanical engineering, lighting, heating, weapons, blasting. Vol. 7. Section G, physics. Vol. 8. Section H, elektricity. Vol. 9. Guide, survey of classes, and summary of main groups. Vol. 10. Guide.