%0 Journal Article %1 ruiter1967toward %A Ruiter, Earl R %D 1967 %I Elsevier %J Transportation Research %K intervening opportunities geo spatial inthesis diss human mobility citedby:scholar:count:37 citedby:scholar:timestamp:2017-2-17 %N 1 %P 47--56 %T Toward a better understanding of the intervening opportunities model %V 1