Searched for: author%3A%22Balk%2C+P.%22
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document
Clement, M. (author), de Nijs, J.M.M. (author), van Veen, A. (author), Schut, H. (author), Balk, P. (author)
journal article 1995
document
Stassen, H.G. (author), Van Lunteren, A. (author), Hoogendoorn, R. (author), Van Der Kolk, G.J. (author), Balk, P. (author), Morsink, G. (author), Schuurman, J.C. (author)
conference paper 1981