This site has had many contributors whose advice, help and support have been invaluable to us. To all of them we would like to express our sincere appreciation and gratitude.

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Alena Trenina (Germany)

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Berta Schweinberger (USA)

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Bo Sunnefeldt (Sweden)

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Bengt Juselius (Finland)

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Einar Lyth (Sweden)

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Wilton S. Tifft (USA)

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Ingvar Gustafsson (Sweden)

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Carl-Fredrik Geust (Finland)

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Per-Anders Lundström (Sweden)

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Sven-Erik Hedgren (Sweden)

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Leonard Krawchuk (Canada)

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