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Kärcher, Martin H and Ratnieks, Francis L W (2010) Honey bee guards recognise allospecific intruders via "different odours" not "harmful-intruder odours". Journal of Agricultural Research, 49 (3). pp. 270-277. ISSN 0021-8839

Perez-Sato, Juan Antonio, Hughes, William O H, Couvillon, Margaret and Ratnieks, Francis L W (2007) Improved technique for introducing four-day old virgin queens to mating hives that uses artificial and natural queen cells for introduction. Journal of Agricultural Research, 46 (1). pp. 28-33. ISSN 0021-8839