Dtsch Zahnarztl Z
October 1970
Quintessenza
July 1970
May 1970
March 1970
Fauchard
February 1970
Vopr Okhr Materin Det
January 1970
Quintessenz
October 1969
September 1969
July 1969
June 1969
May 1969
April 1969
March 1969
February 1969
January 1969
December 1968
Zahnarztl Rundsch
August 1968
March 1968
May 1967
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