1. Atkin RH (1977) Combinatorial connectivities in social systems. Birkhäuser, Basel
2. Batten DF, Boyce DE (1986) Spatial interaction, transportation and interregional commodity flows. In: Nijkamp P (ed) Handbook of regional and urban economics, vol 1: Regional economics. North-Holland, Amsterdam, pp 357–406
3. Batten DF, Martellato D (1988) Modelling interregional trade within input-output systems. Ric Econ 42:204–221
4. Batten DF, Kobayashi K, Andersson ÅE (1989) Knowledge, nodes and networks: an analytical perspective. In: Andersson ÅE, Batten DF, Karlsson C (eds) Knowledge and industrial organization. Springer, Berlin Heidelberg New York, pp 31–46
5. Bröcker J (1988) Partial equilibrium theory of interregional trade and the gravity model. Paper presented at the 28th European Congress of the Regional Science Association, Stockholm, August