Drang und Zwang
Subtitle: eine höhere Festigkeitslebre für Ingenieure
By: von August Föppl und Ludwig Föppl.  With a new introd. in English by Gunhard Œ. Oravas.
Contributors: Föppl, Ludwig, 1887- joint author.
Series: Classics in the history of engineering
Publisher: Johnson Reprint Corp.
Published: 1969
Place of publication: New York
Language: ger
Subjects: Strength of materials
Notes: Vol. 3 has also special title: Der ebene Spannungszustand.
Vols. 1-2: 3. Aufl.
Reprinted of the 1941-47 ed., with Oravas' introd. added.