Authors: Annema, W. --- Berends, G. --- van Berkel, K. --- Boekwijt, H.W. --- de Bodt, S.F.M. --- et al. van Boheemen, F.C. --- de Booij, E.P. --- Bosman-Jelgersma, H.A. --- Breunesse, J. --- Brouwer, H.C. --- Citroen, K.A. --- Eekhout, L.L.M. --- Fluks, P. --- Goudappel, C.D. --- de Groot, A. --- Hengel, F. ten --- van der Heijden, Th.C.J. --- Houtzager, H.L. --- Jacobi, H.W. --- Jimkes-Verkade, E.I. --- Kaajan, H.J.Ph.G. --- Kok, M.A. --- Kunz, G.G. --- van Leeuwen, H.W. --- Madou, M.J.H. --- van der Meer, G. --- Meilink-Hoedemaker, L.J. --- Meijer, F.G. --- Moerman, J.W. --- Montias, J.M. --- Okkema, J.C. --- van Olst, E.L. --- van Opstall, M.E. --- Postma, C. --- Roodenburg, M.C. --- Rozemond, A.J.H. --- de Ruiter, W. --- Schulten, C.M. --- Singeling, B.Th.G. --- Sluijter, E.J. --- Snelders, H.A.M. --- Spaander, I.V.T. --- van Tiggelen, J.G.P.C. --- Veldhuizen, Sv.E. --- Vente, M.A. --- Weve, W.F. --- Wijbenga, D. --- van Zijl, M.I.E. --- Zwitser, H.L.
Year: 1981