Laurent, Gilles Neural systems Department, Max Planck Institute for Brain Research, Max Planck Society;
https://www.ncbi.nlm.nih.gov/pubmed/12447440 (Any fulltext)
Gabbiani, F., Krapp, H. G., Koch, C., & Laurent, G. (2002). Multiplicative computation in a visual neuron sensitive to looming. Nature, 420(6913), 320-4. doi:10.1038/nature01190.