Some remarks on the occurrence of the genus Drosophila in the Netherlands /
Lever, J.
Some remarks on the occurrence of the genus Drosophila in the Netherlands / by J. Lever and F. H. Sobels - Amsterdam : North-Holand Publishing Company, 1951 - 84-88 p. : ill. ; 26 cm - Koninklijke Nederlandse Akademie van Wetenschappen. Proceedings Series C. ; 54 .
Some remarks on the occurrence of the genus Drosophila in the Netherlands / by J. Lever and F. H. Sobels - Amsterdam : North-Holand Publishing Company, 1951 - 84-88 p. : ill. ; 26 cm - Koninklijke Nederlandse Akademie van Wetenschappen. Proceedings Series C. ; 54 .