Soil survey : perspectives and strategies for the 21st century; an international workshop for heads of national soil survey organizations, November 1992, Enschede /

समान संसाधन

• Quantitative and numerical methods in soil classification and survey /
  द्वारा: Webster, R.
  प्रकाशित: (1977)
• Soil classification for soil survey /
  द्वारा: Butler, B. E.
  प्रकाशित: (1980)
• The usefulness of soil surveys /
  द्वारा: Handreck, Kevin Arthur, 1938-
  प्रकाशित: (1978)
• Soil survey for engineering
  द्वारा: Brink, A. B. A.
  प्रकाशित: (1982)
• Tropical soils and soil survey /
  द्वारा: Young, Anthony
  प्रकाशित: (1976)