49, 705-715, , June 1998 1999 – Feasibility study for the development of a standardised method for assessment of odour nuisance and odour annoyance potential (in Dutch) Project PD 207 Action programme Standardisation and Validation of Environmental Assessment Methods, Project Research Amsterdam BV, December 1999 (współautorzy: A. Schakel, C.J. Valk, S. Vreeburg), 2000 – Odour control in wastewater treatment – a technical reference document, UK Water Industry Research Ltd, London, Technical reference document 01/WW13/01/3,2000 (major contributor) www.ukwir.org 2001 – From odorant formation to odour nuisance: new definitions 8 －for discussing a complex process, Water Science & Technology Vol 44 No 9 pp 9-15, . 2001 – Geurhinderonderzoek stallen intensieve veehouderij (translation: Survey of odour nuisance in the vicinity of intensive livestock housing), in Dutch, Ministry of Planning, Public Housing and the Environment, Distribution centre, document number 22317, March 2001 (współautorzy: M.E. Bongers, F.H.J. Vossen), 2001 – Guidance for the Application of Odor in the Derivation of AEGL-1 4, version 02/06/2001, Public Health Service of Rotterdam, the Netherlands (współautorzy: Reind Van Doorn, Marc Ruijten), 2003 – Odour Concentration Decay and Stability in Gas Sampling Bags, J. Air & Waste Manage. Assoc. vol.