Symposium on ethnographic and water-logged leather / [ed. P.B. Hallebeek] Onderzoek door het Centraal Laboratorium : samenvattingen = Investigations by the Central Research Laboratory : research abstracts / Centraal Laboratorium voor Onderzoek van Voorwerpen van … agard lecture series Application of propagation data to VHF satellite communication and navigationsystems / publ. by the Advisory Group for Aerospace Research and Development of the North Atlantic … usl research report Analysis of a multi-stage game / by B.F. Cron Investigations 1995 : research abstracts = onderzoek 1995 : samenvattingen / by the Central Research Laboratory for Objects of Art and Science Conservation of leathercraft and related objects : [4th] interim meeting on the treatment of and research into leather, in particular of ethnographic objects : [held] … Detergents and their function in washing old textiles / Judith H. Hofenk-de Graaff corrosion and conservation of metallic antiquities and works of arts / T. Stambolov