Agricultural System. v.15, 1984
Spedding, C.R.W., ed.
Agricultural System. v.15, 1984 edited by C.R.W.Spedding - London Elsevier Applied Science 1984 - v.15, 251 p.; 24cm.
0308521X
Agricultural System. v.15, 1984 edited by C.R.W.Spedding - London Elsevier Applied Science 1984 - v.15, 251 p.; 24cm.
0308521X