1. J.B.G.A. Havermans, M.A.P.C. de Feber, W.J.L. Genuit, G.J. van Velzen, in: Proceedings of the ICOM Committee for Conservation, James and James Science Publishers Ltd., London, 1999, p. 513.
2. T. Doering, P. Fischer, U. Binder, J. Liers, G. Banik, 2002, personal communication.
3. M. van Bommel, B. van Elst, F. Broekens, in: 4th Meeting of the Indoor Air Pollution Working Group, Copenhagen, 2001.
4. Acetic acid and formic acid concentrations in the museum environment measured by SPME-GC/MS