An introduction to agricultural systems /
Spedding, C. R. W.
An introduction to agricultural systems / C.R.W. Spedding. - London: Applied Science, 1979 - ix, 169 p. : ill., 23 cm.
Includes index.
Bibliography: p. 162-164.
0-85334-823-5
88000385
Agricultural systems.
S 493 / .S64 1979
630
An introduction to agricultural systems / C.R.W. Spedding. - London: Applied Science, 1979 - ix, 169 p. : ill., 23 cm.
Includes index.
Bibliography: p. 162-164.
0-85334-823-5
88000385
Agricultural systems.
S 493 / .S64 1979
630