-
1by Husmann, Walter, 1903-### CRL customization ### ?> ### Add publisher and desc details ### ?>
Published 1934Bochum-Langendreer, H. Pöppinghaus, 1934.57 p. plates, tables, illus. 21 cm.“...H. Pöppinghaus,...”
-
2by Tegeler, Alfred, 1906-### CRL customization ### ?> ### Add publisher and desc details ### ?>
Published 1936Bochum-Langendreer, H. Pöppinghaus, 1936.56 p. 39 diagrs., 22 tables 21 cm.“...H. Pöppinghaus,...”