Aho, Teija; Kuitunen, Markku; Suhonen, Jukka; Hakkari, Tomi; Jäntti, Ari (July 1997). "Effects of male removal on female foraging behavior in the Eurasian treecreeper". Behavioral Ecology and Sociobiology. 41 (1): 49–53. doi:10.1007/s002650050362. S2CID13001633.
Aho, Teija; Kuitunen, Markku; Suhonen, Jukka; Hakkari, Tomi; Jäntti, Ari (November 1997). "Behavioural responses of Eurasian treecreepers, Certhia familiaris, to competition with ants". Animal Behaviour. 54 (5): 1283–1290. doi:10.1006/anbe.1997.0547. PMID9398381. S2CID6235771.
Aho, Teija; Kuitunen, Markku; Suhonen, Jukka; Hakkari, Tomi; Jäntti, Ari (July 1997). "Effects of male removal on female foraging behavior in the Eurasian treecreeper". Behavioral Ecology and Sociobiology. 41 (1): 49–53. doi:10.1007/s002650050362. S2CID13001633.
Aho, Teija; Kuitunen, Markku; Suhonen, Jukka; Hakkari, Tomi; Jäntti, Ari (November 1997). "Behavioural responses of Eurasian treecreepers, Certhia familiaris, to competition with ants". Animal Behaviour. 54 (5): 1283–1290. doi:10.1006/anbe.1997.0547. PMID9398381. S2CID6235771.