Conference papers
Conference papers
- St. Joseph : American Society of Agricultural Engineers, 1972
- 320 p. : ilus. ; gráfs
- Special publications ; SP-01-72 .
- Special publications ; SP-01-72 .
25860
Agricultura--Congresos--Tropicos.
Trópicos--Agricultura.
631.0913 / I57
25860
Agricultura--Congresos--Tropicos.
Trópicos--Agricultura.
631.0913 / I57
