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Bischoff, Linda L.; Tschirren, Barbara; Richner, Heinz (2009). Long-term effects of early parasite exposure on song duration and singing strategy in great tits. Behavioral Ecology, 20(2), pp. 265-270. New York, N.Y.: Oxford University Press 10.1093/beheco/arp012
Tschirren, Barbara; Siitari, Heli; Saladin, Verena; Richner, Heinz (2009). Transgenerational immunity in a bird-ectoparasite system: do maternally transferred antibodies affect parasite fecundity or the offspring's susceptibility to fleas? Ibis, 151(1), pp. 160-170. Oxford: Wiley-Blackwell 10.1111/j.1474-919X.2008.00880.x
Tschirren, Barbara; Fitze, Patrick S.; Richner, Heinz (2005). Carotenoid-based nestling colouration and parental favouritism in the great tit. Oecologia, 143(3), pp. 477-482. Springer 10.1007/s00442-004-1812-z
Fitze, Patrick S.; Tschirren, Barbara; Richner, Heinz (2003). Carotenoid-based colour expression is determined early in nestling life. Oecologia, 137(1), pp. 148-152. Springer 10.1007/s00442-003-1323-3
