Παρόμοια τεκμήρια

• Directory of continuing numerical data projects : a survey and analysis by the Office of Critical Tables.
  Έκδοση: (1961)
• Specialized science information services in the United States : a directory of selected specialized information services in the physical and biological sciences /
  Έκδοση: (1961)
• Compendium of public employment : 1967 Census of Governments /
  Έκδοση: (1969)
• Repertoire international des instituts d'enquete sociale par sondages : = International directory of sample survey centers : (en dehors des E.-U.A.) =: (outside the U.S.A.) /
  Έκδοση: (1960)
• Information handling and science information : a selected bibliography 1957-1961 /
  Έκδοση: (1962)