1. Baenninger, R. and Kraus, S. (1981) Some determinants of aggressive and predatory responses in Betta splendens. J. comp. physiol. Psychol., 95, 220–27.
2. Baerends, G. P. (1985) Do the dummy experiments with sticklebacks support the IRM-concept? Behaviour, 93, 258–77.
3. Baerends, G. P. (1986) On causation and function of the pre-spawning behaviour of cichlid fish. J. Fish Biol., 29A, 107–21.
4. Baerends, G. P., Brower, R. and Waterbolk, H. T. (1955) Ethological studies in Lebistes reticulatus (Peters). 1. An analysis of the male courtship pattern. Behaviour, 8, 249–334.
5. Baerends, G. P., Wanders, J. B. W. and Vodegel, R. (1986) The relationship between marking patterns and motivational state in the pre-spawning behaviour of the cichlid fish Chromidotilapia guentheri (Sauvage). Neth. J. Zool., 36, 88–116.