Παρόμοια τεκμήρια

• Classification and indexing in science /
  ανά: Vickery, B. C.
  Έκδοση: (1959)
• A study general categories applicable to classification and coding in documentation /
  ανά: Grolier, Eric de
  Έκδοση: (1962)
• Classification, class Q science /
  Έκδοση: (1963)
• Classification research : proceedings of the second international study conference held at Hotel Prins Hmalet, Elsinore, Denmark 14th to 18th September 1964 /
  Έκδοση: (1965)
• A classification of living animals /
  ανά: Rothschild, Nathaniel Mayer Victor, Lord
  Έκδοση: (1965)