The Ruhr area
Subtitle: its structure and economic importance
By: [by Karl H. Koranyi and Myrtle Brickman]
Contributors: Brickman, Myrtle
Series: Koranyi, Karl H -- 4
Publisher: U.S. Govt. Print. Off.
Published: 1949
Place of publication: Washington
Language: eng
Number of pages: 62
Subjects: Industries
Notes: Includes bibliographies.

Microfilm. New York, N.Y., Columbia University Libraries, 1995. 1 microfilm reel, 35 mm.

Filmed; NEH Project (FMEST); 1995.