UDC 31 statistics BS 1000(31): 1970

Antzeko izenburuak

• BS1000[31]: [1982] UDC31 Statistics, Demography. Population s /
  nork: British Standards Institution
  Argitaratua: (1982)
• BS 1000 (31): 1982 UDC 31 Statistics- Demography population studies
  nork: ALA
  Argitaratua: (1982)
• 514BS [1000] [[3/31]]: [1985] Social sciences in general demography /
  Argitaratua: (1985)
• BS1000[0]: [1972] UDC31 Generalities /
  nork: British Standards Institution
  Argitaratua: (1972)
• UDC 39. Ethnology Ethnography BS 1000 (39): 1970
  nork: BSI under the auspices of FID
  Argitaratua: (1970)