Search (1 results, page 1 of 1)

  • × author_ss:"Gugelchuk, G.M."
  • × year_i:[1980 TO 1990}
  • × theme_ss:"Informationsdienstleistungen"
  • × language_ss:"e"
  1. Murfin, M.E.; Gugelchuk, G.M.: Development and testing of a reference transaction assessment instrument (1987) 1.00 
    1.0 = *:*, product of:
  1.0 = boost
  1.0 = queryNorm