Fundamentals of economic geography / by Nels A. Bengtson and William Van Royen. Bengtson, N. A. (Nels August), 1879- Van Royen, William, 1900- Economic geography. 911.3 BEF Includes bibliographical references and index. New York : Prentice-Hall, 1950. 1950. 1950 Text xxviii, 574 p. : eng Prentice-Hall geography series Prentice-Hall geography series.