albert bühlmann: der weg in die tiefe
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by Beast A. Mueller on 11 Jan 2017 14:03
Dear Sirs we are about to write a biography on late Prof. A.A.Bühlmann. By chance I noticed the once famaous booklets (#1-5) of the serie "Der Weg in die Tiefe", 1961. We try to get access to all available material on Bühlmann and his work. Would it be possible to see those booklets, or to have them copied? Sincerely Beat A. Mueller Grossmattstr. 8 CH-8964 Rudolfstetten Switzerland www.swiss-cave-diving.ch +41 56 631 25 25
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