Henk van Keulen

The effects of alkaline boxes and file folders on the accelerated ageing of paper by air pollution

Judith H. Hofenk De Graaff, Wilma G.Th. Roelofs, Henk van Keulen, 1996 .

Modern Oil Paints – Formulations, Organic Additives and Degradation: Some Case Studies

Elisabetta Zendri, Henk van Keulen, Francesca Caterina Izzo, 2014 .

20th century artists’ oil paints: The case of the Olii by Lucio Fontana

Elisabetta Zendri, Henk van Keulen, Francesca Caterina Izzo, 2013 .

FROM PIGMENTS TO PAINTS: STUDYING ORIGINAL MATERIALS FROM THE ATELIER OF THE ARTIST MARIANO FORTUNY Y MADRAZO

Henk van Keulen, Francesca Caterina Izzo, F. Izzo, 2017 .