Hopper, B. E.
Loof, Pieter A. A.
Knobloch, Natalie A.
Siddiqi, Mohammad Rafiq
Heyns, Juan
Williams, J. R.
Clark, W. C
Hoffmann, John Kerby
Siddiqi, Mohammad Rafiq
Heyns, Juan
Loof, Pieter A. A.
Hoffmann, John Kerby
Baujard, Pierre Mounport, Danamou Martiny, Bernard
Decraemer, Wilfrida
Decraemer, Wilfrida
Decraemer, Wilfrida
Decraemer, Wilfrida
Almeida, Teresa M. De Waele, Dirk Santos, Susana N. de A. Sturhan, Dieter
Eerens, J. P. J. Loof, P. A. A.