Published in Proceedings of The Biological Society of Washington, in 1992, in volume 105, pages 1-12

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Published in Proceedings of The Biological Society of Washington, in 1992, in volume 105, pages 614-629

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Published in Proceedings of The Biological Society of Washington, in 1992, in volume 105, pages 693-708

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Published in Proceedings of The Biological Society of Washington, in 1992, in volume 105, issue 1, pages 102-111

Published in Proceedings of The Biological Society of Washington, in 1992, in volume 105, issue 2, pages 268-274

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Published in Proceedings of the Biological Society of Washington, in 1992, in volume 105, issue 2, pages 389-392

Published in Proc. Biol. Soc. Washington, in 1992, in volume 105, issue 2, pages 400-402

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Published in Proceedings of The Biological Society of Washington, in 1992, in volume 105, issue 3, pages 462-482

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Published in Proc. Biol. Soc. Wash., in 1992, in volume 105, issue 3, pages 494-511

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Published in Proceedings of the Biological Society of Washington, in 1992, in volume 105, issue 4, pages 683-692

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Published in Proceedings of The Biological Society of Washington, in 1992, in volume 105, issue 4, pages 788-794