International code of botanical nomenclature : Tokyo code : adopted by the Fifteenth International Botanical Congress, Yokohama, August-September 1993 /
Code international de la nomenclature botanique Internationaler Code der botanischen Nomenklatur
prepared and edited by W. Greuter, chairman ; F.R. Barrie ... [et al.].
- Königstein, Germany : Koeltz Scientific Books, 1994.
- xviii, 389 p.
- Regnum vegetabile ; v. 131 .