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  • × type_ss:"el"
  • × year_i:[1950 TO 1960}
  1. Taube, M.; Gull, C.D.; Wachtel, I.S.: Unit terms in coordinate indexing (1952) 0.01 
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  2. Taube, M.; Wachtel, I.S.: ¬The logical structure of coordinate indexing (1953) 0.01 
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