Proceedings of the XI International Congress of Arachnology, Turku, Finland, 7 - 12 August 1989. Helsinki: Finnish Zoological Pub. Board, 1990 422 p. : tab., ill. 951-9481-35-4.
Proceedings of the XI International Congress of Arachnology, Turku, Finland, 7 - 12 August 1989. Helsinki: Finnish Zoological Pub. Board, 1990 422 p. : tab., ill. 951-9481-35-4.
(1990) Proceedings of the XI International Congress of Arachnology, Turku, Finland, 7 - 12 August 1989, Helsinki: Finnish Zoological Pub. Board 422 p. : tab., ill. 951-9481-35-4.
(1990). Proceedings of the XI International Congress of Arachnology, Turku, Finland, 7 - 12 August 1989. Helsinki: Finnish Zoological Pub. Board, 422 p. : tab., ill.
Proceedings of the XI International Congress of Arachnology, Turku, Finland, 7 - 12 August 1989. Helsinki: Finnish Zoological Pub. Board; 1990. p. 422 p. : tab., ill. ISBN: 951-9481-35-4.
