Icerya purchasi (Italian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Icerya purchasi" in Italian language version.

refsWebsite

Global rank Italian rank

1web.archive.org

1^st place

1^st place

438^th place

1,770^th place

usda.gov

nal.usda.gov

(EN) Charles Valentine Riley Collection Biographical Notes, in Special Collections of the National Agricultural Library. URL consultato il 16 maggio 2007.
«One of Riley's greatest triumphs...»

web.archive.org

(EN) History of Research at the U.S. Department of Agriculture and Agricultural Research Service, in ARS Timeline, Agricultural Research Service, USDA. URL consultato il 16 maggio 2007 (archiviato dall'url originale il 14 luglio 2007).
«An early hero of biological control was C.V. Riley...»