Agricultural Systems
Agricultural Systems > 1995 > 47 > 3 > 347-366
Agricultural Systems > 1995 > 47 > 3 > 273-290
Agricultural Systems > 1995 > 47 > 3 > 323-346
Agricultural Systems > 1995 > 47 > 3 > 259-271
Agricultural Systems > 1995 > 47 > 3 > 291-321