edited by Verein Deutscher Ingenieure, Zentralstelle für Textildokumentation und Information (ZTDI), titus-Textilinform, Düsseldorf (Federal Republic of Germany)
compiled under the auspices of the International Society for Horticultural Science, Wageningen, The Netherlands with the cooperation of the Ministry of Agriculture, Nature Management, and Fisheries, The Hague, The Netherlands