%A Griffiths, J. D. %A Institute of Mathematics and Its Applications %T Mathematics in transport planning and control : based on the proceedings of a conference on mathematics in transport planning and control organized by the Institute of Mathematics and its Applications and held at the University of Wales College of Cardiff in September 1989 %I Clarendon Press,Oxford University Press %D 1992 %S The Institute of Mathematics and its Applications conference series %V new ser., 38 %U https://ci.nii.ac.jp/ncid/BA19011414