Book chapter (2015) - S. Zlatanova (author), S Zlatanova (author), Sisi Zlatanova (author), G. Vosselman (author), G Vosselman (author), K Koshelham (author), R Peters (author), B Beers (author), R Voute (author), B de Lathouwer (author), M Lakerveld (author), H Djurrema (author), G Spaling (author)