Ed by Rudolf Walther. (1967). Polytechnical Dictionary. Veb Verlag Technik.
Chicago Edition CitationEd by Rudolf Walther. Polytechnical Dictionary. Berlin: Veb Verlag Technik, 1967.
MLA Edition CitationEd by Rudolf Walther. Polytechnical Dictionary. Veb Verlag Technik, 1967.
Warning: These citations may not always be 100% accurate.