1. Recognition processes and behaviour, with special references to effects of testosterone on persistence;Andrew,1972
2. The effects of castration and androgen replacement on song, courtship and aggression in zebra finches (Poephila guttata);Arnold;J. Exp. Zool.,1975
3. Hormonal control of reproductive and parental behaviour in fishes;Baggerman,1968
4. Short-term effects of testosterone propionate on the behaviour of young intact male domestic ducks (Anas platyrhynchos);Balthazart;Psychol. Belg.,1974