Search (2 results, page 1 of 1)

  • × year_i:[1980 TO 1990}
  • × author_ss:"Ockenfeld, M."
  1. Simon, H.-R.; Ockenfeld, M.: ¬Die Entwicklung von Chemical Abstracts 1907 bis 1980 (1981) 0.01
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  2. Ockenfeld, M.: ¬Das Btx-Angebot der GID : Erfahrungen und Perspektiven (1984) 0.01
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