Paul C. Buckland & Jon P. Sadler (1989). “A biogeography of the human flea, Pulex irritans L. (Siphonaptera: Pulicidae)”. Journal of Biogeography16 (2): 115–120. doi:10.2307/2845085. JSTOR2845085.
jstor.org
Paul C. Buckland & Jon P. Sadler (1989). “A biogeography of the human flea, Pulex irritans L. (Siphonaptera: Pulicidae)”. Journal of Biogeography16 (2): 115–120. doi:10.2307/2845085. JSTOR2845085.