On the three 'laws' of spatial interaction and a string theory finale: Perspectives from social physics with examples in the digital and retail economy

Baker, R. G. V. (2016). On the three “laws” of spatial interaction and a string theory finale: Perspectives from social physics with examples in the digital and retail economy. In Applied Spatial Modelling and Planning (pp. 54–88). Taylor and Francis. https://doi.org/10.4324/9781315683621