Facultative educational exploration circular material usage Griffiersveld Apeldoorn
Entrop, A.G, (Bram) (Associatelector); Otten, B. (B.) (Student); Willoughby, N. (N.) (Student); Poutiainen, S. (S.) (Student)
Livestock guarding dogs : integrating livestock guarding dogs into a new livestock herd
Geest, O. van der (Student); Christiaans, M.; Butzeck, S.