UPA research Collection 1991

Ижил төстэй зүйлс

• Farming Systems research january 1979-december 1991 QB 92-27 quick bibliography series
  Хэвлэсэн: (1992)
• Collection
  Хэвлэсэн: (1995)
• Эмэгтэйчүүд 1991 Календарь
  Хэвлэсэн: (1990)
• Plant research and development a binnual collection of recent german contribution concerning development through plant research
  Хэвлэсэн: (1991)
• Plant research and development a biannual collection of recent german contributions concerning development through plant research.
  Хэвлэсэн: (1993)