@article{ref1,
title="Techniques of transport planning",
journal="Transport and communications bulletin for Asia and the Pacific",
year="1976",
author="Jansson, OJ",
volume="",
number="50",
pages="1-7",
abstract="Contents: 1) The transport planning problem; 2) Basic analogy: planning problems of the multiproduct firm; 3) Theory and practice of transport network planning with particular reference to intercity road networks.<p />",
language="",
issn="0252-4392",
doi="",
url="http://dx.doi.org/"
}