Conference paper (2008) - N Stavitski (author), JH Klootwijk (author), Henk van Zeijl (author), H.W. Zeijl (author), Henk Van Zeijl (author), Henk W. van Zeijl (author), H.W. Van Zeijl (author), Henk van Van Zeijl (author), HW Zeijl (author), H. Van Zeijl (author), H.W. van Zeijl (author), H.W. Van van Zeijl (author), Henk van Zeijl (author), Henk van van Zeijl (author), Henk W. Zeijl (author), Henk Zeijl (author), H.W. Van Zeijl (author), HW Van Zeijl (author), Henk W. Van Zeijl (author), H.W. Van Van Zeijl (author), H. Zeijl (author), H. van Zeijl (author), HW van Zeijl (author), AY Kovalging (author), RAM Wolters (author)