1
Published 1978
“...International Society of Soil Science Sofia, Bulgaria)...”
Conference Proceeding
Book
2
Published 1975
“...International Society of Soil Science Wageningen, Holanda)...”
Conference Proceeding
Book
3
Published 1998
“...FAO, Rome (Italy); International Society of Soil Science, Rome (Italy); International Soil...”
Book
4
Published 1975
“...International Society of Soil Science. Committee on Soil Conditioners....”
Conference Proceeding
Book
5
Published 1991
“...International Society of Soil Science...”
Conference Proceeding
Book
6
Published 1995
“...FAO, Roma (Italia); United Nations Environment Programme, Rome (Italy); International Society...”
Book