Lamprecht, Jürg Emeritus, Seewiesen, Max Planck Institut für Ornithologie, Max Planck Society;
Lamprecht, J. (1989). Distance regulation of hand-reared goslings (Anser indicus) to an unresponsive parent: A study of the short-term dynamics of attachment. Behaviour, 108(3), 209-240. doi:10.1163/156853989X00312.