//-->
A systems analysis of transit routes and schedules : mass transportation demonstration, Project Int-MTD-14
(1969)
Urban systems models
Helly, Walter, (1975)
O R comes of age. A review of the work of the Operational Research Branch of the National Coal Board 1948-1969
Tomlinson, Rolfe C., (1971)
Catastrophe theory and bifurcation : applications to urban and regional systems
Wilson, Alan G. <Sir>, (1981)
Urban and regional models in geography and planning
Wilson, Alan G. <Sir>, (1974)
Collaborative approach to trade : enhancing connectivity in sea- and land-locked countries
Medda, Francesca, (2017)