Binder, P. (1976). Siemens crosspoint system ESK 400 E: Capacity stages 20-150-17 and 60-400-36. Siemens Aktiengesellschaft.
Chicago Style (17th ed.) CitationBinder, Peter. Siemens Crosspoint System ESK 400 E: Capacity Stages 20-150-17 and 60-400-36. Berlín: Siemens Aktiengesellschaft, 1976.
MLA citiranjeBinder, Peter. Siemens Crosspoint System ESK 400 E: Capacity Stages 20-150-17 and 60-400-36. Siemens Aktiengesellschaft, 1976.
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