Agricultural System. v.24, 1987
Spedding, C.R.W., ed.
Agricultural System. v.24, 1987 edited by C.R.W.Spedding - London Elsevier Applied Science 1987 - v.24, 328 p.; 24cm.
0308521X
Agricultural System. v.24, 1987 edited by C.R.W.Spedding - London Elsevier Applied Science 1987 - v.24, 328 p.; 24cm.
0308521X
