Soils of the world, V 1: Soil families and soil types

Eitemau Tebyg

• Soils of the world V.1 soil families and soil types
  gan: Glazovskaya, M A
  Cyhoeddwyd: (1972)
• Soils and soil fertility
  gan: Thompson, Louis M
  Cyhoeddwyd: (1957)
• Soils
  gan: Hilgard E
• ABC of soils
  gan: Joffe, Jacob S
  Cyhoeddwyd: (1949)
• Soils of the world V.2 Soil geography
  gan: Glazovskaya, M A
  Cyhoeddwyd: (1984)