por Scientific Progress In The Field Of Rubber And Synthetic Elastomers [Initiated By The Late Elmer O. Kraemer ; Ed. By H. Mark, G.s. Whitby] | Mark, H [editor] | Whitby, G.s [editor] | Kraemer, Elmer Otto, 1898- [colaborador].
por Mark, Hermann Franz, 1895- [editor] | Kraemer, Elmer Otto, 1898-1943 [editor].