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The subspecies of Sphex sericeus (Fabr.) (= S. Aurulentus auct., nec Fabr. 1787) (Hymenoptera, Sphecidae) / by J. van der Vecht and Karl V. Krombein.
- s.n.],
- 1955.
- [S.l. :
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Fortschritte der Agrikulturchemie (Pflanzenernährung) / von Karl Scharrer und Rudolf Bürke.
- Steinkopff,
- 1955.
- Dresden [etc.] :
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Bonampak, Chiapas, Mexico / Karl Ruppert, J. Eric S. Thompson, Tatiana Proskouriakoff ; copies of the mural paintings by Antonio Tejeda F. ; identification of pigments in the mural paintings by Rutherford J. Gettens.
- Carnegie Institution of Washington,
- 1955.
- Washington, DC :