Index - Formula Index (Paperback, 8th ed. 1989. Softcover reprint of the original 8th ed. 1989)
Rainer Bohrer, Helga Hartwig, Renate Jonuschat, Bernd Kalbskopf, Renate Nohl, Uwe Nohl, Hans-Jurgen Richter-Ditten, Paul Velic, Rudolf Warncke
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