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240418s1956 caua gr ||| | eng d |
| 040 |
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|a Sistema de Bibliotecas de la Universidad de Costa Rica
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| 100 |
1 |
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|a Linsley, Earle Gorton
|d 1910-2000
|e Autor/a
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| 245 |
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|a Biological observations on Ptilothrix sumichrasti (Cresson) and some related groups of Emphorine bees :
|b (Hymenoptera, Anthophoridae) /
|c by E. G. Linsley, J. W. MacSwain and Ray F. Smith.
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| 260 |
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|a Los Angeles, California, :
|b The Academy,
|c [1956?].
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| 300 |
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|a 83-102 páginas :
|b ilustraciones en blanco y negro.
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| 500 |
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|a Separata de: Bulletin of the Southern California Academy of Sciences. Vol. 55, part 2 (January-April 1956)
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| 916 |
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|a Centro Catalográfico
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| 949 |
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|a -KAF
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