Biosystematic studies of Ceylonese wasps, XVII :

By Krombein, Karl V.. Washington, DC : Smithsonian Institution Press, 1987

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Biosystematic studies of Ceylonese wasps, V :

By Krombein, Karl V.. Washington : Smithsonian Institution Press, 1979

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Biosystematic studies of Ceylonese wasps, VIII :

By Krombein, Karl V.. City of Washington : Smithsonian Institution Press, 1981

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Biosystematic studies of Ceylonese wasps, IX :

By Krombein, Karl V.. Washington : Smithsonian Institution, 1982

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Biosystematic studies of Ceylonese wasps, XI :

By Krombein, Karl V.. Washington : Smithsonian Institution Press, 1983

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Biosystematic studies of Ceylonese wasps, XIV :

By Krombein, Karl V.. City of Washington : Smithsonian Institution Press, 1984

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Biosystematic studies of Ceylonese wasps, XVI :

By Krombein, Karl V.. Washington : Smithsonian Institution Press, 1986 , Supt. of docs. no. : S1 1.27 : 436.

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