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Veeckman J,. (1978). Preliminary studies on the behavioural detection of oestrus in belgian “warmblood” mares with acoustic and tactile stimuli. Appl Anim Ethol, 4, 109–118.
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Zeeb, K., & Schnitzter, U. (1978). Equus caballus (Equidae) – Ruheverhalten, Hinlegen und Aufstehen. E.C., Film E 1620 des IWF Begleittext.
Abstract: Equus caballus (Equidae)-Behaviour at Rest, Lying down and Rising. The film shows the
behaviour at rest of the primitive horses of the Duke of Croy at DulmenNestphalia. With
the aid of several individual animals, complete relaxation, reclining and rising are shown.
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Iwuala, M. O., & Okpala, I. (1978). Studies on the ectoparasitic fauna of Nigerian livestock II: Seasonal infestation rates. Bull Anim Health Prod Afr, 26(4), 351–359.
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Iwuala, M. O., & Okpala, I. (1978). Studies on the ectoparasitic fauna of Nigerian livestock I: Types and distribution patterns on hosts'. Bull Anim Health Prod Afr, 26(4), 339–350.
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Callinan, A. P. (1978). The ecology of the free-living stages of Trichostrongylus axei. Int J Parasitol, 8(6), 453–456.
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Hazem, A. S. (1978). [Collective review: Salmonella paratyphi in animals and in the environment]. Dtsch Tierarztl Wochenschr, 85(7), 296–303.
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Bertenthal BI, & Fischer KW. (1978). Development of self-recognition in the infant. Dev. Psychol., 14, 44.
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Clayton DA. (1978). Socially facilitated behavior. Q. Rev. Biol., 53, 373.
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Premack D, & Woodruff G. (1978). Chimpanzee problem-solving: a test for comprehension. Science, 202(3), 532.
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Premack D, & Woodruff G. (1978). Does the chimpanzee have a theory of mind? Behav. Brain Sci., 1, 515.
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