Paul I. Richards
... that Paul I. Richards published one of the earliest theoretical models of traffic waves?
... that <b id="mwAZQ"><a href="./Paul_I._Richards" id="mwAZU" rel="mw:WikiLink" title="Paul I. Richards">Paul I. Richards</a></b> published one of the earliest theoretical models of <a href="./Traffic_wave" id="mwAZY" rel="mw:WikiLink" title="Traffic wave">traffic waves</a>?