Die arbeitsproduktivität .
By: von ... Heinrich Liehr ...
Publisher: Klinner
Published: 1929
Place of publication: Sprottau in Schlesien
Language: ger
Number of pages: 64
Subjects: Industrial efficiency
Notes: Thesis, Jena.

Microfilm. New York, N.Y., Columbia University Libraries, 1994. 1 microfilm reel, 35 mm.

Filmed; NEH Project (FMEST); 1994.