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by Heimann, Robert B.; Lehmann, Hans D.
by Giere, Reto (CON); Gies, Hermann (CON); Heimann, Robert B. (CON); et al.
by Heimann, Robert B.
by Robert B. Heimann
by Robert B. Heimann (Institut fur Mineralogie, Geochemie und Lagerstattenkunde, Freiberg, Germany)
by Robert B. Heimann (Oceangate Consulting GbR, Hann. Muenden, Germany)
by Heimann, Robert B.; Evsyukov, Sergey E.; Kavan, Ladislav