Bielefeld: Privately Published, 1988. 4to, 44 pp. [printed on rectos only], photo-,mechanically reproduced from typescript and holograph corrections. Bound in unprinted black card covers. Text entirely in German.
A substantial work on the industrial group, which appears to have been published for a thesis - though there is not imprint information. Previously unseen by us.
Very good. OCLC locates no holdings. Item #30006