VENNER, G.H.A.

Haas, J.A.K., Hees, A.M.S. van, Huijs, Th.P.M., Jamar, J.T.J., Keyser-Schuurman, W.E.S.L., Loontjens, R.A.M., ROOSENBOOM, H.TH.M., Smeets, M.K.J., VENNER, G.H.A., Wieland, J.H.M.