Manageing soil resources to meet the challenges to mankind: presidential address
International Conference of Soil Science
Manageing soil resources to meet the challenges to mankind: presidential address - New Delhi International Conference of Soil Science 1982 - 12p.
631.4(063) / I61P
Manageing soil resources to meet the challenges to mankind: presidential address - New Delhi International Conference of Soil Science 1982 - 12p.
631.4(063) / I61P