1.
Inventing structures for industrial research : a history of the Philips NatLab 1914-1946
2.
Bespreking van: 'Techniek in Nederland in de twintigste eeuw, II, Delfstoffen, energie, chemie'
80 years of research at the Philips Natuurkundig Laboratorium (1914-1994) : the role of the Nat.Lab. at Philips