http://pec.lib.wvu.edu/record/P194501974Science year : the World Book science annual.<p> Serial. Printed Ephemera Collection has: 1974. Issue for 1974 includes article: Getting around the rush hour : a small town's experiment with personal rapid transit may provide a partial answer to the mass transportation problems of major cities, by Samy E. G. Elias.</p>Science--Periodicals.14256